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The R1855DB is an active-plus-passive bookshelf pair with 116 mm Nomex mid-bass drivers and 19 mm silk tweeters, rated 70 W RMS in total. The active speaker takes Bluetooth 5.1, two analogue line inputs, optical and coaxial, and has a Sub Out.
Specifications checked 26 Sept 2026.
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Manufacturer specificationsGraphite
The Z407 is a 2.1 system rated at 40 W RMS (80 W peak), with a 5.25-inch subwoofer and 2.5-inch full-range satellites that can stand vertically or horizontally. It accepts Bluetooth, 3.5 mm and micro-USB audio at the same time and is controlled from a battery-powered wireless dial.
Specifications checked 26 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
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Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
Check the exact configuration. Manufacturer specifications describe the listed variant. Confirm compatibility and the seller’s exact model before buying; no overall winner is inferred from incomplete evidence.
9 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationManufacturer specification
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Check the exact configuration and source conditions for your use.
Manufacturer specification · Inputs, dials and the subwoofer output are on the active speaker.
Edifier UK — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageManufacturer specification
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese)Check the exact configuration and source conditions for your use.
Manufacturer specification · No tolerance (dB) published.
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationManufacturer specification · Manufacturer range; tolerance (dB) not published.
Logitech Support — Z407 technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification
Edifier R1855DB user manual (English section), linked from the official product pageManufacturer specification · Setup guide 'Box content' list. The UK/US shop in-box list names two satellite speakers, subwoofer, 3.5 mm cable and user documentation, notes that the USB data cable is not included, and the shop specifications state '2 AAA included'.
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese)Check the exact configuration and source conditions for your use.
Manufacturer specification · Optical/coaxial decode PCM 44.1/48 kHz only. Coaxial cable not included. Bluetooth codecs are not published.
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageManufacturer specification · Up to three sources connected at once; the dial's wired input button switches between 3.5 mm and micro USB, and its Bluetooth button switches to Bluetooth. The setup guide states up to eight Bluetooth source devices can be paired. USB cable not included. USB does not charge devices. Bluetooth version conflicts between official sources (see bluetooth_version).
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specificationsLogitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese)Check the exact configuration and source conditions for your use.
Manufacturer specification · Manufacturer RMS rating for the pair; the UK/US tables give 19W × 2 + 16W × 2 and the manual's Italian and Portuguese specification text labels treble 16W+16W and mid-range/bass 19W+19W (the English specification page has no text layer). Load and distortion basis not published. Edifier states the speakers are equipped with Digital Signal Processing (DSP) and Dynamic Range Control (DRC).
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageManufacturer specification · Manufacturer RMS and peak ratings; load and distortion basis not published. Driver impedance listed as 4 Ω subwoofer, 8 Ω satellites.
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · The manual says the correct operating voltage is on the product plate; no voltage or UK vs US cord difference is published.
Edifier R1855DB user manual (English section), linked from the official product pageManufacturer specification · The support page gives regional power-cable lengths (1840 mm Americas, 1850 mm EMEA) but does not state whether the supply is an in-line adapter or the plug type. UK (980-001349) and US (980-001347) are separate part numbers.
Logitech Support — Z407 technical specificationsLogitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese)Check the exact configuration and source conditions for your use.
Manufacturer specification
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationCheck the exact configuration and source conditions for your use.
Manufacturer specification · Edifier does not state whether this is per speaker or the active speaker only.
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationManufacturer specification
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specificationsA size or weight trade-off; it does not establish the better product.
Manufacturer specification
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationUK and US product pages list Bluetooth 5.0; the support table lists 'Wireless Protocol Bluetooth 4.1' but 'Connection Type ... Bluetooth 5.0 (BLE)'. Not resolved by current official sources. · Manufacturer specification
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Logitech quotes a 20-metre wireless range ('Wireless range may vary with environmental conditions'). Dial battery life is 12 months (2 × AAA) on two different stated bases: the UK/US shop pages say 'Based on using the dial 16 times, everytime with normal press or rotation per day', while the support specification says 'Press play/pause 60 times per day. Volume adjustment 30 times per day.' Control dial weight 51.8 g (support and shop).
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Logitech support specification, 'Sound Pressure Level (SPL Max)'; measurement distance and signal are not stated.
Logitech Support — Z407 technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Edifier does not state the remote's transmission type.
Edifier UK — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
Edifier UK — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification
Edifier R1855DB user manual (English section), linked from the official product pageNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Silk diaphragm tweeter.
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · As stated in the specifications of the UK (en-gb) and US (en-us) Logitech shop pages; the regional terms differ.
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · 389.6 g listed under the shop dimensions heading 'Satellite' (with the per-satellite 199.9 × 93.9 × 85.2 mm) and the support table row 'Satellites'.
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Subwoofer only: 2450.6 g as listed in the UK/US shop dimensions and the support table.
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Nomex diaphragm.
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationManufacturer specification · Subwoofer driver.
Logitech Support — Z407 technical specificationsThe recorded units or formats differ. These values are not ranked.
Edifier lists 'Net Weight: 7kg' for this active/passive product without stating whether it is the pair or one speaker (dimensions are given per speaker or per cabinet), so no like-for-like weight is asserted. · Manufacturer specification
Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationNo total system weight is published; Logitech lists the subwoofer (2450.6 g), satellite (389.6 g) and control dial (51.8 g) separately. No figure is summed. · Manufacturer specification
Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
0 shared fields have the same recorded value.
| Specification | Edifier R1855DB | Logitech Z407 |
|---|---|---|
Channel configurationDifferent SourcesEdifier R1855DB Manufacturer specification · Inputs, dials and the subwoofer output are on the active speaker. Edifier UK — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 Manufacturer specification Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese) | Stereo pair: one active (powered) speaker and one passive speaker | 2.1: two satellite speakers and a subwoofer, with a wireless control dial |
Mid-bass driver sizeDifferent SourcesEdifier R1855DB Manufacturer specification · Nomex diaphragm. Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 Manufacturer specification · Subwoofer driver. Logitech Support — Z407 technical specifications | 116 mm | 5.25 in |
Tweeter size SourcesEdifier R1855DB Manufacturer specification · Silk diaphragm tweeter. Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 No source recorded. | 19 mm | Not provided |
Satellite driver size SourcesEdifier R1855DB No source recorded. | Not provided | 2.5 in full-range driver per satellite |
Frequency responseDifferent SourcesEdifier R1855DB Manufacturer specification · No tolerance (dB) published. Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 Manufacturer specification · Manufacturer range; tolerance (dB) not published. Logitech Support — Z407 technical specifications | 60 Hz – 20 kHz | 40 Hz–20 kHz |
Signal-to-noise ratioDifferent SourcesEdifier R1855DB Manufacturer specification Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specification | ≥ 80 dB(A) | > 75 dB |
Maximum sound pressure level SourcesEdifier R1855DB No source recorded. Logitech Z407 Manufacturer specification · Logitech support specification, 'Sound Pressure Level (SPL Max)'; measurement distance and signal are not stated. Logitech Support — Z407 technical specifications | Not provided | 93 dBc |
Audio inputsDifferent SourcesEdifier R1855DB Manufacturer specification · Optical/coaxial decode PCM 44.1/48 kHz only. Coaxial cable not included. Bluetooth codecs are not published. Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 Manufacturer specification · Up to three sources connected at once; the dial's wired input button switches between 3.5 mm and micro USB, and its Bluetooth button switches to Bluetooth. The setup guide states up to eight Bluetooth source devices can be paired. USB cable not included. USB does not charge devices. Bluetooth version conflicts between official sources (see bluetooth_version). Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specificationsLogitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese) | Bluetooth 5.1, two analogue Line In inputs, optical, coaxial | Bluetooth, one 3.5 mm analogue input and one micro-USB audio input (to a computer's USB-A port); the 3.5 mm and micro-USB inputs are on the back of the subwoofer |
Input sensitivity SourcesEdifier R1855DB Manufacturer specification Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 No source recorded. | Line In 1: 400 ± 50 mV; Line In 2: 600 ± 50 mV; OPT: 350 ± 50 mFFS; COAX: 350 ± 50 mFFS; Bluetooth: 500 ± 50 mFFS | Not provided |
Bluetooth version SourcesEdifier R1855DB Manufacturer specification Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 UK and US product pages list Bluetooth 5.0; the support table lists 'Wireless Protocol Bluetooth 4.1' but 'Connection Type ... Bluetooth 5.0 (BLE)'. Not resolved by current official sources. · Manufacturer specification Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specifications | 5.1 | Conflicting sources |
Subwoofer output SourcesEdifier R1855DB Manufacturer specification Edifier UK — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 No source recorded. | Bass (Sub Out) output on the active speaker | Not provided |
Rated power and measurement basisDifferent SourcesEdifier R1855DB Manufacturer specification · Manufacturer RMS rating for the pair; the UK/US tables give 19W × 2 + 16W × 2 and the manual's Italian and Portuguese specification text labels treble 16W+16W and mid-range/bass 19W+19W (the English specification page has no text layer). Load and distortion basis not published. Edifier states the speakers are equipped with Digital Signal Processing (DSP) and Dynamic Range Control (DRC). Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 Manufacturer specification · Manufacturer RMS and peak ratings; load and distortion basis not published. Driver impedance listed as 4 Ω subwoofer, 8 Ω satellites. Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specifications | 70 W RMS total: 16 W × 2 (treble) + 19 W × 2 (mid-range/bass) | 40 W RMS total (80 W peak): subwoofer 20 W RMS (40 W peak) + satellites 20 W RMS total (2 × 10 W; 40 W peak) |
Power supplyDifferent SourcesEdifier R1855DB Manufacturer specification · The manual says the correct operating voltage is on the product plate; no voltage or UK vs US cord difference is published. Edifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 Manufacturer specification · The support page gives regional power-cable lengths (1840 mm Americas, 1850 mm EMEA) but does not state whether the supply is an in-line adapter or the plug type. UK (980-001349) and US (980-001347) are separate part numbers. Logitech Support — Z407 technical specificationsLogitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese) | Built-in mains power in the active speaker with attached power cord and power switch | Mains power via the subwoofer power cord; Logitech lists power-supply input AC 100–240 V, 50–60 Hz and output 17.5 V, 2.5 A. Control dial runs on 2 × AAA batteries (included) |
Tone controls SourcesEdifier R1855DB Manufacturer specification Edifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 No source recorded. | Treble and bass dials; master volume dial (press to switch source: Line In 1 → Line In 2 → Optical → Coaxial → Bluetooth) | Not provided |
Remote control SourcesEdifier R1855DB Manufacturer specification · Edifier does not state the remote's transmission type. Edifier UK — R1855DB product page and specificationEdifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 No source recorded. | Remote control supplied: power on/off, volume up/down, previous/next track and pause/play (Bluetooth mode), Line In 1, Line In 2, Optical, Coaxial and Bluetooth mode buttons, mute | Not provided |
Sound options SourcesEdifier R1855DB No source recorded. | Not provided | Digital signal processing (DSP); bass level adjustable from the wireless control dial |
Controls SourcesEdifier R1855DB No source recorded. Logitech Z407 Manufacturer specification · Logitech quotes a 20-metre wireless range ('Wireless range may vary with environmental conditions'). Dial battery life is 12 months (2 × AAA) on two different stated bases: the UK/US shop pages say 'Based on using the dial 16 times, everytime with normal press or rotation per day', while the support specification says 'Press play/pause 60 times per day. Volume adjustment 30 times per day.' Control dial weight 51.8 g (support and shop). Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specifications | Not provided | Wireless control dial: power, volume, bass, mute, play/pause, track forward/back, Bluetooth pairing and source switching |
EnclosureDifferent SourcesEdifier R1855DB Manufacturer specification Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 Manufacturer specification Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us) | MDF enclosure; each speaker base angled at a 10-degree incline | Subwoofer: ported, down-firing |
Dimensions of each unitDifferent SourcesEdifier R1855DB Manufacturer specification · Edifier does not state whether this is per speaker or the active speaker only. Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 Manufacturer specification Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specifications | 155 × 254 × 223 mm (W × H × D) | Each satellite: 199.9 × 93.9 × 85.2 mm; subwoofer: 240 × 234 × 180 mm (H × W × D); control dial: 29.4 mm high, 69.9 mm diameter |
Subwoofer weight SourcesEdifier R1855DB No source recorded. Logitech Z407 Manufacturer specification · Subwoofer only: 2450.6 g as listed in the UK/US shop dimensions and the support table. Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specifications | Not provided | 2.4506 kg |
Satellite weight SourcesEdifier R1855DB No source recorded. Logitech Z407 Manufacturer specification · 389.6 g listed under the shop dimensions heading 'Satellite' (with the per-satellite 199.9 × 93.9 × 85.2 mm) and the support table row 'Satellites'. Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Support — Z407 technical specifications | Not provided | 0.3896 kg |
Included units / accessoriesDifferent SourcesEdifier R1855DB Manufacturer specification Edifier R1855DB user manual (English section), linked from the official product pageLogitech Z407 Manufacturer specification · Setup guide 'Box content' list. The UK/US shop in-box list names two satellite speakers, subwoofer, 3.5 mm cable and user documentation, notes that the USB data cable is not included, and the shop specifications state '2 AAA included'. Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us)Logitech Z407 — setup guide (PDF, Americas edition: English/French/Spanish/Portuguese) | Active speaker, passive speaker, remote control, speaker connecting cable, 3.5 mm to RCA cable, RCA to RCA cable, fibre optic cable, user manual | Left and right satellites, subwoofer, wireless control dial, 2 AAA batteries, satellite stands, 3.5 mm cable and user documentation; USB data cable not included |
Warranty SourcesEdifier R1855DB No source recorded. Logitech Z407 Manufacturer specification · As stated in the specifications of the UK (en-gb) and US (en-us) Logitech shop pages; the regional terms differ. Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Z407 — US product page and technical specifications (en-us) | Not provided | UK: 2-Year Limited Hardware Warranty; US: 1-Year Limited Hardware Warranty |
Weight SourcesEdifier R1855DB Edifier lists 'Net Weight: 7kg' for this active/passive product without stating whether it is the pair or one speaker (dimensions are given per speaker or per cabinet), so no like-for-like weight is asserted. · Manufacturer specification Edifier UK — R1855DB product page and specificationEdifier USA — R1855DB product page and specificationLogitech Z407 No total system weight is published; Logitech lists the subwoofer (2450.6 g), satellite (389.6 g) and control dial (51.8 g) separately. No figure is summed. · Manufacturer specification Logitech Z407 — UK product page and technical specifications (en-gb)Logitech Support — Z407 technical specifications | Not listed by the manufacturer | Not listed by the manufacturer |
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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.
