Key strengths
Optical and coaxial digital inputs alongside two line inputs and Bluetooth, with an optical cable supplied.
Sub Out port plus bass and treble dials, and a supplied remote control with direct buttons for each input.
SPEAKERS
Edifier R1855DB
Black
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.
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THE ACTUAL PRODUCT
Compare with Logitech Z207
Specifications checked 26 Sept 2026Manufacturer specifications, not a hands-on test.
Before you buy
Digital inputs decode PCM at 44.1/48 kHz only, and no Bluetooth codec list is published.
Mains voltage is only referenced to the product plate, and the published weight and dimensions do not state their basis.
Every specification. With its source.
Full specifications
Exact configuration: Black
17 specifications in 7 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.
System & drivers
3 items
- Channel configuration
- Stereo pair: one active (powered) speaker and one passive speaker
Inputs, dials and the subwoofer output are on the active speaker.
- Mid-bass driver size
- 116 mm
Nomex diaphragm.
- Tweeter size
- 19 mm
Silk diaphragm tweeter.
Sound specifications & calls
2 items
- Frequency response
- 60 Hz – 20 kHz
No tolerance (dB) published.
- Signal-to-noise ratio
- ≥ 80 dB(A)
Inputs & connections
4 items
- Audio inputs
- Bluetooth 5.1, two analogue Line In inputs, optical, coaxial
Optical/coaxial decode PCM 44.1/48 kHz only. Coaxial cable not included. Bluetooth codecs are not published.
- Input sensitivity
- Line In 1: 400 ± 50 mV; Line In 2: 600 ± 50 mV; OPT: 350 ± 50 mFFS; COAX: 350 ± 50 mFFS; Bluetooth: 500 ± 50 mFFS
- Bluetooth version
- 5.1
- Subwoofer output
- Bass (Sub Out) output on the active speaker
Amplifier, power & battery
2 items
- Rated power and measurement basis
- 70 W RMS total: 16 W × 2 (treble) + 19 W × 2 (mid-range/bass)
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).
- Power supply
- Built-in mains power in the active speaker with attached power cord and power switch
The manual says the correct operating voltage is on the product plate; no voltage or UK vs US cord difference is published.
Source
Controls & software
2 items
- Tone controls
- Treble and bass dials; master volume dial (press to switch source: Line In 1 → Line In 2 → Optical → Coaxial → Bluetooth)Source
- Remote control
- 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
Edifier does not state the remote's transmission type.
Size, weight & build
3 items
- Enclosure
- MDF enclosure; each speaker base angled at a 10-degree incline
- Dimensions of each unit
- 155 × 254 × 223 mm (W × H × D)
Edifier does not state whether this is per speaker or the active speaker only.
- Weight
- Not listed by the manufacturer
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.
Box, compatibility & warranty
1 item
- Included units / accessories
- Active speaker, passive speaker, remote control, speaker connecting cable, 3.5 mm to RCA cable, RCA to RCA cable, fibre optic cable, user manualSource
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