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HEADPHONES · YOUR NEXT FACE-OFF

Sennheiser ACCENTUM Wireless vs Sennheiser HD 280 PRO

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

Compared products

YOUR FIRST CHOICE

Sennheiser ACCENTUM Wireless

700174 · Black · model ACAEBT

Sennheiser ACCENTUM Wireless over-ear headphones in black, front view
Full product profile Official image
Exact model & source notes

The ACCENTUM Wireless (article 700174, black) is Sennheiser's closed-back, around-ear Bluetooth 5.2 headphone with hybrid noise cancellation, a Transparency Mode, a 37 mm dynamic driver and a rated 50 hours of playback with ANC on. Sennheiser's app adds a 5-band equalizer and sound modes such as Bass Boost and Podcast. Wired listening is over USB-C from a computer or mobile device.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications
WHAT DIFFERS
Driver construction37 mm dynamic transducerDynamic
Rated total harmonic distortion<0.3% at 1 kHz, 100 dB SPL<0.1% at 1 kHz, 100 dB SPL
Rated frequency range10–22,000 Hz (−10 dB)8 Hz–25 kHz
3 of 6 verified differences, in the order listed below. Not a rating.
See the 6 verified differences
THE CONTENDER

Sennheiser HD 280 PRO

506845 · HD 280 PRO · wired

Sennheiser HD 280 PRO closed-back monitoring headphones in black, three-quarter view
Full product profile Official image
Exact model & source notes

The HD 280 PRO (article 506845) is Sennheiser's closed-back wired monitoring headphone for recording, mixing and monitoring, built from rugged polycarbonate with a collapsible, fold-down design. It has a rated 64 Ω impedance, up to 32 dB of passive ambient-noise attenuation and a single-sided coiled cable with a 3.5 mm plug and 6.3 mm adapter. It weighs about 285 g without the cable.

Specifications checked 26 Sept 2026.

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

Manufacturer specifications

ACCENTUM Wireless UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

HD 280 PRO UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

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.
FEATURES SIDE BY SIDE6 topics

Yes and No describe the listed feature. Missing evidence stays unverified.

SELECTED TOPIC
01 / 06

Open-back design

Open-back earcups are not sealed. Start here if your listening space is quiet; this construction is not a sound-quality rating.

Sennheiser ACCENTUM Wireless: closed-back · illustration, not to scale
Sennheiser HD 280 PRO: closed-back · illustration, not to scale
Sennheiser ACCENTUM WirelessNo

Closed-back. Manufacturer specification

Source 1
Choose your must-haves

Start with your listening environment. Open and closed earcups suit different surroundings. A closed back is not the same as active noise cancellation. Check the exact cable and headphone output. We do not turn impedance, driver size or unpaired lab results into a sound-quality score.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

6 verified differences, most decision-relevant first. Missing information stays separate.

Wired / wireless connections

Sennheiser ACCENTUM WirelessBluetooth 5.2 (SBC, AAC, aptX HD); USB-C for charging, calls and streaming from a PC/Mac/mobile device
Sennheiser HD 280 PROWired; single-sided coiled cable (about 1.3 m to 3 m) with 3.5 mm plug and supplied 6.3 mm adapter
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · The manual's product overview and box list include no analogue audio socket or cable.

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual

Check the exact configuration and source conditions for your use.

Driver construction

Sennheiser ACCENTUM Wireless37 mm dynamic transducer
Sennheiser HD 280 PRODynamic
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser does not state the transducer diameter on the pages read.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

Check whether the diameter describes the complete transducer or only its diaphragm. Different labels and driver sizes do not establish better sound.

Rated total harmonic distortion

Sennheiser ACCENTUM Wireless<0.3% at 1 kHz, 100 dB SPL
Sennheiser HD 280 PRO<0.1% at 1 kHz, 100 dB SPL
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

Manufacturer specification · The quick guide gives the measurement conditions; the specification sheet gives 0.1% without them.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

These published limits can use different input voltages, loudness levels and standards. They cannot establish lower distortion in matched listening conditions.

Rated frequency range

Sennheiser ACCENTUM Wireless10–22,000 Hz (−10 dB)
Sennheiser HD 280 PRO8 Hz–25 kHz
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual

Range endpoints need their stated threshold. They do not describe response flatness or prove better bass, detail or sound quality.

In the box

Sennheiser ACCENTUM WirelessHeadphones, USB-C to USB-A cable (approx. 1.2 m), quick guide, safety guide, compliance sheet
Sennheiser HD 280 PROHD 280 PRO headphones, 3.5 mm to 6.3 mm adapter, safety guide
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · No carry case or analogue cable is listed.

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual

Check the exact configuration and source conditions for your use.

Weight

Sennheiser ACCENTUM Wireless222 g
Sennheiser HD 280 PRO285 g
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Approximate, headphones only; no cable-inclusive figure is published.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual

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

Configuration & compatibility details (1)

Wearing style

Sennheiser ACCENTUM WirelessOver-ear (circumaural), closed-back wireless headphones
Sennheiser HD 280 PROOver-ear (circumaural), closed-back wired monitoring headphones
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser's product page states 'Circumaural (over-ear) fit' in its feature list and 'a circumaural fit' in its comfort copy, and the specification sheet and quick guide both give 'Ear coupling circumaural'; the same product page's technical table alone lists 'Wearing style On-ear'. That single table entry is disclosed here rather than published as the wearing style.

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

Both sources describe the same wearing style and acoustic design in different words. The extra wording does not establish a different fit; compare the separately listed fields.

Missing or non-comparable evidence (18)

Active noise cancellation

Sennheiser ACCENTUM WirelessYes
Sennheiser HD 280 PRONot verified
Sources
Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish active noise cancellation absence. Preserve separately sourced acoustic design and passive attenuation; they cannot turn omitted ANC into a false capability. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

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

Microphone

In Visual facts
Sennheiser ACCENTUM WirelessYes
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Two MEMS beamforming speech microphones.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish microphone absence. Omission from a package or technical inventory, a stereo audio connector, and a without-remote statement do not establish microphone=false. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — product specification sheet (EN, V1.0)

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

Battery life

Sennheiser ACCENTUM WirelessUp to 50 hours of Bluetooth music playback with ANC on; approx. 3 hours to charge fully, with 10 minutes giving up to 5 hours
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Sennheiser's test condition on the UK page: iPhone at medium volume. Built-in 800 mAh battery.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish battery life or that no battery is required for operation. A wired/dynamic audio path, omitted charger or Battery included N is not an explicit operating-power requirement. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data

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

App sound controls

Sennheiser ACCENTUM WirelessSennheiser Smart Control app: built-in 5-band equalizer and sound modes such as Bass Boost and Podcast mode; the page also promotes Sound Personalization in the Smart Control Plus app
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Requires the Sennheiser app on a smartphone connected over Bluetooth. The manual also uses the app for firmware updates.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded for this side.

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

Bluetooth codecs

Sennheiser ACCENTUM WirelessSBC, AAC, aptX HD
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · The UK product page additionally lists standard aptX and the mSBC/CVSD call codecs.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded for this side.

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

Cable length

Sennheiser ACCENTUM WirelessNot verified
Sennheiser HD 280 PRO3 m
Sources
Sennheiser ACCENTUM Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification · Coiled cable: about 1.3 m relaxed, extending to a maximum of 3 m.

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — product specification sheet (EN, V1.0)

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

Construction

Sennheiser ACCENTUM WirelessNot verified
Sennheiser HD 280 PRORugged polycarbonate construction; collapsible design that folds down for storage
Sources
Sennheiser ACCENTUM Wireless

No source recorded for this side.

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

Sound pressure level

Sennheiser ACCENTUM WirelessNot verified
Sennheiser HD 280 PRO113 dB
Sources
Sennheiser ACCENTUM Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification · No measurement reference is stated.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)

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

Simultaneous Bluetooth connections

Sennheiser ACCENTUM Wireless2
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded for this side.

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

Operating temperature

Sennheiser ACCENTUM Wireless0 °C to +40 °C
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded for this side.

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

Ambient noise attenuation

Sennheiser ACCENTUM WirelessNot verified
Sennheiser HD 280 PROUp to 32 dB (passive)
Sources
Sennheiser ACCENTUM Wireless

No source recorded for this side.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)

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

Rated sensitivity

Sennheiser ACCENTUM Wireless106 dB SPL (1 kHz, 0 dBFS)
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Digital full-scale reference; not comparable with passive headphones' dB/mW or dB/V ratings.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded for this side.

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

Transparency (ambient) mode

Sennheiser ACCENTUM WirelessYes
Sennheiser HD 280 PRONot verified
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Switched with the main button; the manual states it is not possible when making phone calls.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded for this side.

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

1 shared field has the same recorded value.

YOUR HEADPHONES. YOUR RULES.

Check against your must-haves

Feature matching for the features you select. It doesn’t rate sound or comfort.

Start with your listening setup.

Choose a starting point, then fine-tune your must-haves.

FINE-TUNE THE DETAILS

Your essentials.

These shortcuts select the features shown above. Check the fit against your own equipment and listening space.

A feature match describes the selected requirements. It doesn’t rate sound or comfort.

YOUR CHOICE

Sennheiser ACCENTUM Wireless

Select a feature to check your fit.

YOUR CHOICE

Sennheiser HD 280 PRO

Select a feature to check your fit.

Feature matching, not a sound-quality score. The specification table links to the evidence for each feature.
WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Sennheiser ACCENTUM Wireless

What it brings

  • Sennheiser rates up to 50 hours of Bluetooth playback with ANC on, about 3 hours for a full charge and up to 5 hours from 10 minutes of charging.
    Manufacturer source Manufacturer source
  • It supports aptX HD alongside AAC and SBC, and keeps two Bluetooth devices connected at once.
    Manufacturer source
  • USB-C doubles as a digital audio input from a Mac, PC or mobile device, charging the headphones while it plays.
    Manufacturer source

What to check

  • The documentation lists no analogue headphone socket or cable, so sources without Bluetooth or USB audio cannot be used directly.
    Manufacturer source
  • The box contains only the headphones, a USB cable and paperwork; no carry case is listed.
    Manufacturer source
  • Its 106 dB sensitivity is quoted against digital full scale and is not comparable with passive headphones' ratings.
    Manufacturer source Manufacturer source

Sennheiser HD 280 PRO

What it brings

What to check

  • The single-sided coiled cable stretches from about 1.3 m to 3 m. Sennheiser's documents do not describe it as detachable, and the product page's spare parts list only a 6.3 mm adapter and a pad set, with no replacement cable.
    Manufacturer source Manufacturer source
  • Sennheiser does not state the transducer diameter; the supplied cable uses a 3.5 mm plug with a 6.3 mm adapter.
    Manufacturer source Manufacturer source
COMPARE THE DETAILS

Full specifications

How we verify
26 of 26 specifications Sources in each row
Source-backed specifications for Sennheiser ACCENTUM Wireless and Sennheiser HD 280 PRO
SpecificationSennheiser ACCENTUM WirelessSennheiser HD 280 PRO
Wearing styleDifferent
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser's product page states 'Circumaural (over-ear) fit' in its feature list and 'a circumaural fit' in its comfort copy, and the specification sheet and quick guide both give 'Ear coupling circumaural'; the same product page's technical table alone lists 'Wearing style On-ear'. That single table entry is disclosed here rather than published as the wearing style.

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)
Over-ear (circumaural), closed-back wireless headphonesOver-ear (circumaural), closed-back wired monitoring headphones
WeightDifferent
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Approximate, headphones only; no cable-inclusive figure is published.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
222 g285 g
Acoustic design
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Closed-backClosed-back
Contact pressure
Sources
Sennheiser ACCENTUM Wireless

No source recorded.

Not providedApprox. 6 N
Construction
Sources
Sennheiser ACCENTUM Wireless

No source recorded.

Not providedRugged polycarbonate construction; collapsible design that folds down for storage
Serviceability
Sources
Sennheiser ACCENTUM Wireless

No source recorded.

Not providedFolding, rotating ear cups; ear cushions and headband padding are replaceable spare parts
Wired / wireless connectionsDifferent
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · The manual's product overview and box list include no analogue audio socket or cable.

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Bluetooth 5.2 (SBC, AAC, aptX HD); USB-C for charging, calls and streaming from a PC/Mac/mobile deviceWired; single-sided coiled cable (about 1.3 m to 3 m) with 3.5 mm plug and supplied 6.3 mm adapter
Battery life
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Sennheiser's test condition on the UK page: iPhone at medium volume. Built-in 800 mAh battery.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish battery life or that no battery is required for operation. A wired/dynamic audio path, omitted charger or Battery included N is not an explicit operating-power requirement. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical data
Up to 50 hours of Bluetooth music playback with ANC on; approx. 3 hours to charge fully, with 10 minutes giving up to 5 hoursNot listed by the manufacturer
Bluetooth codecs
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · The UK product page additionally lists standard aptX and the mSBC/CVSD call codecs.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded.

SBC, AAC, aptX HDNot provided
Simultaneous Bluetooth connections
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded.

2Not provided
Charging
Sources
Sennheiser HD 280 PRO

No source recorded.

USB-C, 5 V up to 700 mA; approx. 3 hours for a full chargeNot provided
Battery
Sources
Sennheiser HD 280 PRO

No source recorded.

Built-in lithium-ion, 3.7 V, 800 mAh, 2.96 WhNot provided
Cable length
Sources
Sennheiser ACCENTUM Wireless

No source recorded.

Sennheiser HD 280 PRO

Manufacturer specification · Coiled cable: about 1.3 m relaxed, extending to a maximum of 3 m.

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — product specification sheet (EN, V1.0)
Not provided3 m
Driver constructionDifferent
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

Manufacturer specification · Sennheiser does not state the transducer diameter on the pages read.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)
37 mm dynamic transducerDynamic
Rated frequency rangeDifferent
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
10–22,000 Hz (−10 dB)8 Hz–25 kHz
Rated sensitivity
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Digital full-scale reference; not comparable with passive headphones' dB/mW or dB/V ratings.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded.

106 dB SPL (1 kHz, 0 dBFS)Not provided
Rated total harmonic distortionDifferent
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

Manufacturer specification · The quick guide gives the measurement conditions; the specification sheet gives 0.1% without them.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)
<0.3% at 1 kHz, 100 dB SPL<0.1% at 1 kHz, 100 dB SPL
Nominal impedance
Sources
Sennheiser ACCENTUM Wireless

No source recorded.

Not provided64 ohm
Sound pressure level
Sources
Sennheiser ACCENTUM Wireless

No source recorded.

Sennheiser HD 280 PRO

Manufacturer specification · No measurement reference is stated.

Sennheiser HD 280 PRO — product specification sheet (EN, V1.0)
Not provided113 dB
Microphone
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Two MEMS beamforming speech microphones.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish microphone absence. Omission from a package or technical inventory, a stereo audio connector, and a without-remote statement do not establish microphone=false. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — product specification sheet (EN, V1.0)
YesNot listed by the manufacturer
Active noise cancellation
Sources
Sennheiser HD 280 PRO

The reviewed exact sources do not explicitly establish active noise cancellation absence. Preserve separately sourced acoustic design and passive attenuation; they cannot turn omitted ANC into a false capability. · Manufacturer specification

Sennheiser HD 280 PRO (article 506845) — official UK product page and technical dataSennheiser HD 280 PRO — quick guide (04/16, 566630/A02)
YesNot listed by the manufacturer
Transparency (ambient) mode
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Switched with the main button; the manual states it is not possible when making phone calls.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded.

YesNot provided
Ambient noise attenuation
Sources
Sennheiser ACCENTUM Wireless

No source recorded.

Sennheiser HD 280 PRO

Manufacturer specification

Sennheiser HD 280 PRO — quick guide (04/16, 566630/A02)
Not providedUp to 32 dB (passive)
App sound controls
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · Requires the Sennheiser app on a smartphone connected over Bluetooth. The manual also uses the app for firmware updates.

Sennheiser ACCENTUM Wireless — official UK product page and specificationsSennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded.

Sennheiser Smart Control app: built-in 5-band equalizer and sound modes such as Bass Boost and Podcast mode; the page also promotes Sound Personalization in the Smart Control Plus appNot provided
In the boxDifferent
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification · No carry case or analogue cable is listed.

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Headphones, USB-C to USB-A cable (approx. 1.2 m), quick guide, safety guide, compliance sheetHD 280 PRO headphones, 3.5 mm to 6.3 mm adapter, safety guide
Operating temperature
Sources
Sennheiser ACCENTUM Wireless

Manufacturer specification

Sennheiser ACCENTUM Wireless (ACAEBT) — instruction manual
Sennheiser HD 280 PRO

No source recorded.

0 °C to +40 °CNot provided
First product manufacturer sourceSecond product manufacturer source
FIND YOUR CONTENDERS

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Closest headphones to this pair by shared key specifications. Not a popularity ranking.

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beyerdynamic MMX 300 PRO closed-back gaming headset in black with boom microphone, perspective view

Beyerdynamic MMX 300 PRO

Impedance
48 Ω
Cable length
2.5 m
Wearing style
Over-ear (circumaural), closed-back wired gaming headset with boom microphone
Prices & product profile
HyperX Cloud III wired gaming headset in black with detachable microphone

HyperX Cloud III

Impedance
64 Ω
Wearing style
Over-ear (circumaural), closed-back wired gaming headset
Wired / wireless connections
Wired: 3.5 mm, plus a USB dongle for USB-C, and USB-A via the supplied adapter
Prices & product profile
Sennheiser MOMENTUM 4 Wireless over-ear headphones in black, front view

Sennheiser MOMENTUM 4 Wireless

Impedance
60 Ω
Wearing style
Over-ear (circumaural), closed-back wireless headphones with a foldable design
Wired / wireless connections
Bluetooth 5.2 (SBC, AAC, aptX Adaptive); USB-C for charging, calls and streaming from a PC/Mac; 2.5 mm analogue input with supplied 2.5 mm-to-3.5 mm cable
Prices & product profile
beyerdynamic AVENTHO 100 wireless on-ear headphones in black with aluminium yokes

Beyerdynamic AVENTHO 100

Impedance
48 Ω
Wearing style
On-ear, closed-back foldable wireless headphones
Acoustic design
Closed-back
Prices & product profile

Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.