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PROJECTORS · YOUR NEXT FACE-OFF

ViewSonic LS741HD vs ViewSonic LS901-4K

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

ViewSonic LS741HD

LS741HD · exact LS741HD UK manufacturer catalogue configuration

ViewSonic LS741HD — exact-model official product image.
Full product profile Official image
Exact model & source notes

ViewSonic LS741HD in its exact UK manufacturer catalogue configuration. Compare the declared projected image, actual light-source and brightness basis, optical placement and source-listed inputs together.

Specifications checked 17 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications
WHAT DIFFERS
Projected resolution1920x10803840x2160
Projection technologyDLP · 0.65" 1080PDMD · 0.65" 4K UHD
Brightness5000 (ANSI Lumens)5500 (ANSI Lumens)
The first 3 of 34 verified differences, in the order listed below. Not a rating.
See the 34 verified differences
THE CONTENDER

ViewSonic LS901-4K

LS901-4K · exact LS901-4K UK manufacturer catalogue configuration

ViewSonic LS901-4K — exact-model official product image.
Full product profile Official image
Exact model & source notes

ViewSonic LS901-4K in its exact UK manufacturer catalogue configuration. Compare the declared projected image, actual light-source and brightness basis, optical placement and source-listed inputs together.

Specifications checked 17 Oct 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

LS741HD UK & US retailers

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US
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LS901-4K UK & US retailers

UK
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US
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UK & US price history: no verified listing yet

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THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
  • Manufacturer facts for the exact models shown. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE7 topics
SELECTED TOPIC
01 / 07

Projected resolution

Check the exact configuration and source conditions for your use.

ViewSonic LS741HD1920x1080

Manufacturer specification · Source label Native Resolution. This is the manufacturer display/projected-image claim; it does not independently establish the physical DMD/imager pixel grid. Accepted signal resolution remains separate.

Source 1
ViewSonic LS901-4K3840x2160

Manufacturer specification · Source label Native Resolution. This is the manufacturer display/projected-image claim; it does not independently establish the physical DMD/imager pixel grid. Accepted signal resolution remains separate.

Source 1
Explore the full specifications

Match the screen, lens and room. Check the stated throw ratio, lens setup and connections. ANSI, ISO, LED and centre-lumen claims keep their different measurement bases; they are not an overall picture-quality score. A projected 4K claim does not by itself identify the physical imager pixel grid. Accepted input modes remain separate.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

34 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Projected resolution

In Visual facts
ViewSonic LS741HD1920x1080
ViewSonic LS901-4K3840x2160
Sources
ViewSonic LS741HD

Manufacturer specification · Source label Native Resolution. This is the manufacturer display/projected-image claim; it does not independently establish the physical DMD/imager pixel grid. Accepted signal resolution remains separate.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Source label Native Resolution. This is the manufacturer display/projected-image claim; it does not independently establish the physical DMD/imager pixel grid. Accepted signal resolution remains separate.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Brightness

In Visual facts
ViewSonic LS741HD5000 (ANSI Lumens)
ViewSonic LS901-4K5500 (ANSI Lumens)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer claim. Actual published method: ANSI lumens. Centre brightness, dynamic contrast and other lumen methods remain separate; no conversion or measured performance is asserted. Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Brightness.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer claim. Actual published method: ANSI lumens. Centre brightness, dynamic contrast and other lumen methods remain separate; no conversion or measured performance is asserted. Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Brightness.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Connections

In Visual facts
ViewSonic LS741HD2 (HDMI 1.4, HDCP 1.4) (HDMI); 1 × Audio-out (3.5mm); Speaker (15W); USB Type A (Power) (1 (5V/1.5A)); 1 × RS232 (DB 9-pin male); 1 × RJ45 (LAN control); 1 (share with USB A Output) (USB Type A (Services))
ViewSonic LS901-4K2 (HDMI 2.0, HDCP 2.3) (HDMI); 1 × Audio-out (3.5mm); Speaker (15W x2); USB Type A (Power) (1 (5V/1.5A)); 1 × RS232 (DB 9-pin male); 1 × RJ45 (LAN control); 1 (share with USB A Output) (USB Type A (Services))
Sources
ViewSonic LS741HD

Manufacturer specification · Source-listed physical inputs, outputs and controls. Service USB, power outputs, connector versions and eARC claims retain their separate scopes; no full-bandwidth or compatibility guarantee inferred. Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: HDMI. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Audio-out (3.5mm). Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Speaker. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Power). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RS232 (DB 9-pin male). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RJ45 (LAN control). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Services).

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Source-listed physical inputs, outputs and controls. Service USB, power outputs, connector versions and eARC claims retain their separate scopes; no full-bandwidth or compatibility guarantee inferred. Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: HDMI. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Audio-out (3.5mm). Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Speaker. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Power). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RS232 (DB 9-pin male). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RJ45 (LAN control). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Services).

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Dimensions

In Visual facts
ViewSonic LS741HD286x216x129mm (11.3x8.5x5.1 in)
ViewSonic LS901-4K337x280x132mm (13.3x11x5.2 in)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer axes, original measurement units and foot/handle/configuration basis remain literal. Packaging dimensions are separate. Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Dimensions (WxDxH) with Adjustment Foot.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer axes, original measurement units and foot/handle/configuration basis remain literal. Packaging dimensions are separate. Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Dimensions (WxDxH) with Adjustment Foot.

ViewSonic LS901-4K — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Show 28 more verified differences

Weight

In Visual facts
ViewSonic LS741HD3000 g
ViewSonic LS901-4K4850 g
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer Net Weight: 3kg (6.61 lbs). Kilograms normalized to grams; packaging/gross mass and separately listed accessories are not substituted.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer Net Weight: 4.85kg (10.69 lbs). Kilograms normalized to grams; packaging/gross mass and separately listed accessories are not substituted.

ViewSonic LS901-4K — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Published ANSI brightness

ViewSonic LS741HD5000 ANSI lm
ViewSonic LS901-4K5500 ANSI lm
Sources
ViewSonic LS741HD

Manufacturer specification · Actual source field Brightness: 5000 (ANSI Lumens). Manufacturer measurement/mode qualifications remain in the full specifications; no cross-method conversion.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Actual source field Brightness: 5500 (ANSI Lumens). Manufacturer measurement/mode qualifications remain in the full specifications; no cross-method conversion.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

HDMI

ViewSonic LS741HD2 (HDMI 1.4, HDCP 1.4)
ViewSonic LS901-4K2 (HDMI 2.0, HDCP 2.3)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Dimensions (WxDxH) with Adjustment Foot

ViewSonic LS741HD286x216x129mm (11.3x8.5x5.1 in)
ViewSonic LS901-4K337x280x132mm (13.3x11x5.2 in)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Gross Weight

ViewSonic LS741HD4.7kg (10.36 lbs)
ViewSonic LS901-4K6.8kg (14.98 lbs)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Net Weight

ViewSonic LS741HD3kg (6.61 lbs)
ViewSonic LS901-4K4.85kg (10.69 lbs)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

OSD Language

ViewSonic LS741HDEnglish, French, Spanish, Thai, Korean, German, Italian, Russian, Swedish, Dutch, Polish, Czech, T-Chinese, S-Chinese,Japanese, Turkish, Portuguese, Finnish, Indonesian, Arabic, Vietnamese, Hungarian, Norsk, total 23 languages
ViewSonic LS901-4KEnglish, German, French, Italian, Spanish, Portuguese, Polish, Dutch, Swedish, Norwegian, Finnish, Greek, Traditional_Chinese, Simplified_Chinese, Japanese, Korean, Russian, Czechoslovak, Arabic, Thai, Turkish, Vietnamese, Indonesian, Total 23 languages
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Power Consumption

ViewSonic LS741HDNormal: 210W Standby: <0.5W
ViewSonic LS901-4KNormal: 245W Standby: <0.5W
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Power Supply Voltage

ViewSonic LS741HDPower adaptor: Input: 100~240V Output: 19.5VDC / 11.79A
ViewSonic LS901-4K100-240V+/- 10%, 50/60Hz (AC in)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Audible Noise (Eco)

ViewSonic LS741HD24dB
ViewSonic LS901-4K25dB
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Audible Noise (Normal)

ViewSonic LS741HD30dB
ViewSonic LS901-4K31dB
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Brightness

ViewSonic LS741HD5000 (ANSI Lumens)
ViewSonic LS901-4K5500 (ANSI Lumens)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Brightness (Center Lumens)

ViewSonic LS741HD5500
ViewSonic LS901-4K6000
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

HDTV Compatibility

ViewSonic LS741HD480i, 480p, 576i, 576p, 720p, 1080i, 1080p
ViewSonic LS901-4K480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Horizontal Frequency

ViewSonic LS741HD15K-102KHz
ViewSonic LS901-4K15K-255KHz
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Input Lag

ViewSonic LS741HD49.5ms
ViewSonic LS901-4K4.2ms
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Lens

ViewSonic LS741HDF=2.5-3.26, f=20.911-32.62mm
ViewSonic LS901-4KF=2.3-3.0, f=17.63-27.9mm
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Native Resolution

ViewSonic LS741HD1920x1080
ViewSonic LS901-4K3840x2160
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Optical Zoom

ViewSonic LS741HD1.6X
ViewSonic LS901-4K1.7X
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Projection Offset

ViewSonic LS741HD132%+/-10%
ViewSonic LS901-4K154% +/- 10%
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Projection System

ViewSonic LS741HD0.65" 1080P
ViewSonic LS901-4K0.65" 4K UHD
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Resolution Support

ViewSonic LS741HDVGA(640 x 480) to WUXGA RB(1920 x 1200) *RB-Reduced Blanking
ViewSonic LS901-4KVGA(640 x 480) to 4K UHD(3840 x 2160)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Throw Distance

ViewSonic LS741HD0.93-14.88m (100"@3.10m)
ViewSonic LS901-4K0.80-13.55m (100”@2.66m)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Throw Ratio

ViewSonic LS741HD1.4-2.24
ViewSonic LS901-4K1.2-2.04
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Vertical Scan Rate

ViewSonic LS741HD24-120Hz
ViewSonic LS901-4K23-240Hz
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Maximum optical throw ratio

ViewSonic LS741HD2.24
ViewSonic LS901-4K2.04
Sources
ViewSonic LS741HD

Manufacturer specification · Exact manufacturer optical throw row: 1.4-2.24. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Exact manufacturer optical throw row: 1.2-2.04. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Minimum optical throw ratio

ViewSonic LS741HD1.4
ViewSonic LS901-4K1.2
Sources
ViewSonic LS741HD

Manufacturer specification · Exact manufacturer optical throw row: 1.4-2.24. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Exact manufacturer optical throw row: 1.2-2.04. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS901-4K — official UK technical specifications

Check the exact configuration and source conditions for your use.

Packing Dimensions

ViewSonic LS741HD400x280x155mm (15.7x11x6.1 in)
ViewSonic LS901-4K496x387x195mm (19.5x15.2x7.7 in)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

A size or weight trade-off; it does not establish the better product.

Missing or non-comparable evidence (5)

Physical imager pixel grid

ViewSonic LS741HDNot verified
ViewSonic LS901-4KNot verified
Sources
ViewSonic LS741HD

A physical imager pixel grid is not separately established by these supplied sources. The declared display/projected resolution and chip diagonal do not fill this field. · Manufacturer specification

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

A physical imager pixel grid is not separately established by these supplied sources. The declared display/projected resolution and chip diagonal do not fill this field. · Manufacturer specification

ViewSonic LS901-4K — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Carry Bag

ViewSonic LS741HDPJ-CASE-008
ViewSonic LS901-4KNot verified
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Optional Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Speaker

ViewSonic LS741HD15W
ViewSonic LS901-4K15W x2
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

One source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.

Lens Shift V. Range

ViewSonic LS741HDNot verified
ViewSonic LS901-4K0%, -21%
Sources
ViewSonic LS741HD

No source recorded for this side.

ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Warranty Card

ViewSonic LS741HDNot verified
ViewSonic LS901-4KYes (CN Only)
Sources
ViewSonic LS741HD

No source recorded for this side.

ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

21 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ViewSonic LS741HD

What it brings

  • The manufacturer supplies model-specific projection, placement and connection specifications. Use the stated throw ratio, actual image size and lens configuration to plan your installation.
    Manufacturer source

What to check

  • Manufacturer image and brightness claims are not an independent picture-quality test. Physical imager pixels, input limits, measurement methods, bundled TV devices and regional accessories need their own stated source scope; no overall winner or current stock is established.
    Manufacturer source

ViewSonic LS901-4K

What it brings

  • The manufacturer supplies model-specific projection, placement and connection specifications. Use the stated throw ratio, actual image size and lens configuration to plan your installation.
    Manufacturer source

What to check

  • Manufacturer image and brightness claims are not an independent picture-quality test. Physical imager pixels, input limits, measurement methods, bundled TV devices and regional accessories need their own stated source scope; no overall winner or current stock is established.
    Manufacturer source
COMPARE THE DETAILS

Full specifications

How we verify
60 of 60 specifications Sources in each row
Source-backed specifications for ViewSonic LS741HD and ViewSonic LS901-4K
SpecificationViewSonic LS741HDViewSonic LS901-4K
Projected resolutionDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Source label Native Resolution. This is the manufacturer display/projected-image claim; it does not independently establish the physical DMD/imager pixel grid. Accepted signal resolution remains separate.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Source label Native Resolution. This is the manufacturer display/projected-image claim; it does not independently establish the physical DMD/imager pixel grid. Accepted signal resolution remains separate.

ViewSonic LS901-4K — official UK technical specifications
1920x10803840x2160
Projection technologyDifferent
Sources
ViewSonic LS741HD

Manufacturer specification

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification

ViewSonic LS901-4K — official UK technical specifications
DLP · 0.65" 1080PDMD · 0.65" 4K UHD
Projection SystemDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
0.65" 1080P0.65" 4K UHD
Native ResolutionDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
1920x10803840x2160
Contrast Ratio
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
3000000:13000000:1
Display Color
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
1.07 Billion Colors1.07 Billion Colors
Resolution SupportDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
VGA(640 x 480) to WUXGA RB(1920 x 1200) *RB-Reduced BlankingVGA(640 x 480) to 4K UHD(3840 x 2160)
Light source
Sources
ViewSonic LS741HD

Manufacturer specification

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification

ViewSonic LS901-4K — official UK technical specifications
Laser PhosphorLaser Phosphor
BrightnessDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer claim. Actual published method: ANSI lumens. Centre brightness, dynamic contrast and other lumen methods remain separate; no conversion or measured performance is asserted. Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Brightness.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer claim. Actual published method: ANSI lumens. Centre brightness, dynamic contrast and other lumen methods remain separate; no conversion or measured performance is asserted. Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Brightness.

ViewSonic LS901-4K — official UK technical specifications
5000 (ANSI Lumens)5500 (ANSI Lumens)
Published ANSI brightnessDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Actual source field Brightness: 5000 (ANSI Lumens). Manufacturer measurement/mode qualifications remain in the full specifications; no cross-method conversion.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Actual source field Brightness: 5500 (ANSI Lumens). Manufacturer measurement/mode qualifications remain in the full specifications; no cross-method conversion.

ViewSonic LS901-4K — official UK technical specifications
5000 ANSI lm5500 ANSI lm
BrightnessDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
5000 (ANSI Lumens)5500 (ANSI Lumens)
Brightness (Center Lumens)Different
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
55006000
Light Source Type
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
Laser PhosphorLaser Phosphor
Light Source Life (hours) with Normal Mode
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
2000020000
Light Source Life (hours) with SuperEco Mode
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
30000 (Eco)30000 (Eco)
Throw ratioDifferent
Sources
ViewSonic LS741HD

Manufacturer specification

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification

ViewSonic LS901-4K — official UK technical specifications
1.4-2.241.2-2.04
Minimum optical throw ratioDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Exact manufacturer optical throw row: 1.4-2.24. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Exact manufacturer optical throw row: 1.2-2.04. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS901-4K — official UK technical specifications
1.41.2
Maximum optical throw ratioDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Exact manufacturer optical throw row: 1.4-2.24. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Exact manufacturer optical throw row: 1.2-2.04. Applies to the listed lens/configuration; digital zoom, keystone and throw distance remain separate.

ViewSonic LS901-4K — official UK technical specifications
2.242.04
LensDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
F=2.5-3.26, f=20.911-32.62mmF=2.3-3.0, f=17.63-27.9mm
Projection OffsetDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
132%+/-10%154% +/- 10%
Throw RatioDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
1.4-2.241.2-2.04
Optical ZoomDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
1.6X1.7X
Digital Zoom
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
0.8x-2.0x0.8x-2.0x
Image Size
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
30"-300"30"-300"
Throw DistanceDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
0.93-14.88m (100"@3.10m)0.80-13.55m (100”@2.66m)
Keystone
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
H:+/-30°, V:+/-30°H:+/-30°, V:+/-30°
Wall/Ceiling Mount
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Optional Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Optional Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
PJ-WMK-007PJ-WMK-007
Lens Shift V. Range
Sources
ViewSonic LS741HD

No source recorded.

ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
Not provided0%, -21%
ConnectionsDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Source-listed physical inputs, outputs and controls. Service USB, power outputs, connector versions and eARC claims retain their separate scopes; no full-bandwidth or compatibility guarantee inferred. Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: HDMI. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Audio-out (3.5mm). Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Speaker. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Power). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RS232 (DB 9-pin male). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RJ45 (LAN control). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Services).

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Source-listed physical inputs, outputs and controls. Service USB, power outputs, connector versions and eARC claims retain their separate scopes; no full-bandwidth or compatibility guarantee inferred. Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: HDMI. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Audio-out (3.5mm). Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Speaker. Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Power). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RS232 (DB 9-pin male). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: RJ45 (LAN control). Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: USB Type A (Services).

ViewSonic LS901-4K — official UK technical specifications
2 (HDMI 1.4, HDCP 1.4) (HDMI); 1 × Audio-out (3.5mm); Speaker (15W); USB Type A (Power) (1 (5V/1.5A)); 1 × RS232 (DB 9-pin male); 1 × RJ45 (LAN control); 1 (share with USB A Output) (USB Type A (Services))2 (HDMI 2.0, HDCP 2.3) (HDMI); 1 × Audio-out (3.5mm); Speaker (15W x2); USB Type A (Power) (1 (5V/1.5A)); 1 × RS232 (DB 9-pin male); 1 × RJ45 (LAN control); 1 (share with USB A Output) (USB Type A (Services))
Input LagDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
49.5ms4.2ms
HDTV CompatibilityDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
480i, 480p, 576i, 576p, 720p, 1080i, 1080p480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
Horizontal FrequencyDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
15K-102KHz15K-255KHz
Vertical Scan RateDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
24-120Hz23-240Hz
HDMIDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Input. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
2 (HDMI 1.4, HDCP 1.4)2 (HDMI 2.0, HDCP 2.3)
Audio-out (3.5mm)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
11
USB Type A (Power)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
1 (5V/1.5A)1 (5V/1.5A)
RS232 (DB 9-pin male)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
11
RJ45 (LAN control)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
11
USB Type A (Services)
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Control. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
1 (share with USB A Output)1 (share with USB A Output)
Speaker
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Output. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
15W15W x2
Carton
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
BrownBrown
OSD LanguageDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
English, French, Spanish, Thai, Korean, German, Italian, Russian, Swedish, Dutch, Polish, Czech, T-Chinese, S-Chinese,Japanese, Turkish, Portuguese, Finnish, Indonesian, Arabic, Vietnamese, Hungarian, Norsk, total 23 languagesEnglish, German, French, Italian, Spanish, Portuguese, Polish, Dutch, Swedish, Norwegian, Finnish, Greek, Traditional_Chinese, Simplified_Chinese, Japanese, Korean, Russian, Czechoslovak, Arabic, Thai, Turkish, Vietnamese, Indonesian, Total 23 languages
User Guide Language
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
English, S-Chinese, T-Chinese, Indonesian, Finish, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Arabic, Czech, Thai, Vietnamese, total 20 languagesEnglish, S-Chinese, T-Chinese, Indonesian, Finish, French, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Arabic, Czech, Thai, Vietnamese, total 20 languages
Remote Control
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
11
QSG
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
YesYes
Carry Bag
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Optional Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

No source recorded.

PJ-CASE-008Not provided
Warranty Card
Sources
ViewSonic LS741HD

No source recorded.

ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
Not providedYes (CN Only)
DimensionsDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer axes, original measurement units and foot/handle/configuration basis remain literal. Packaging dimensions are separate. Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Dimensions (WxDxH) with Adjustment Foot.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer axes, original measurement units and foot/handle/configuration basis remain literal. Packaging dimensions are separate. Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected. Source field: Dimensions (WxDxH) with Adjustment Foot.

ViewSonic LS901-4K — official UK technical specifications
286x216x129mm (11.3x8.5x5.1 in)337x280x132mm (13.3x11x5.2 in)
WeightDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer Net Weight: 3kg (6.61 lbs). Kilograms normalized to grams; packaging/gross mass and separately listed accessories are not substituted.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer Net Weight: 4.85kg (10.69 lbs). Kilograms normalized to grams; packaging/gross mass and separately listed accessories are not substituted.

ViewSonic LS901-4K — official UK technical specifications
3000 g4850 g
Net WeightDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
3kg (6.61 lbs)4.85kg (10.69 lbs)
Gross WeightDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
4.7kg (10.36 lbs)6.8kg (14.98 lbs)
Dimensions (WxDxH) with Adjustment FootDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
286x216x129mm (11.3x8.5x5.1 in)337x280x132mm (13.3x11x5.2 in)
Packing DimensionsDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
400x280x155mm (15.7x11x6.1 in)496x387x195mm (19.5x15.2x7.7 in)
Audible Noise (Normal)Different
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
30dB31dB
Audible Noise (Eco)Different
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Specification. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
24dB25dB
Power Supply VoltageDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
Power adaptor: Input: 100~240V Output: 19.5VDC / 11.79A100-240V+/- 10%, 50/60Hz (AC in)
Power ConsumptionDifferent
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
Normal: 210W Standby: <0.5WNormal: 245W Standby: <0.5W
Operating Temperature
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Others. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
0~40℃0~40℃
Power Cord
Sources
ViewSonic LS741HD

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

Manufacturer specification · Manufacturer section Standard Accessory. Original units, optical/digital basis, input modes, test qualifications and regional accessory scope retained. No apparent source error is silently corrected.

ViewSonic LS901-4K — official UK technical specifications
11
Show unverified (1)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.
Specifications without verified values for either product
Physical imager pixel grid
Sources
ViewSonic LS741HD

A physical imager pixel grid is not separately established by these supplied sources. The declared display/projected resolution and chip diagonal do not fill this field. · Manufacturer specification

ViewSonic LS741HD — official UK technical specifications
ViewSonic LS901-4K

A physical imager pixel grid is not separately established by these supplied sources. The declared display/projected resolution and chip diagonal do not fill this field. · Manufacturer specification

ViewSonic LS901-4K — official UK technical specifications
Not listed by the manufacturerNot listed by the manufacturer
First product manufacturer sourceSecond product manufacturer source
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