Give your home cinema set-up the bass impact it deserves with DB4S – a powerful, classically styled single driver subwoofer that's a perfect match for the 700 Series.
Read moreAt a glance
All specifications- Frequency response
- 10 Hz to 350 Hz
- Dimensions (W × H × D)
- 360 × 377 × 368 mm
- Weight
- 26 kg
- Driver size
- 250 mm
- Net weight
- 26kg (57.3 lb)
- Frequency range
- -6dB at 8.5Hz - 500Hz
Overview
Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoil™ cone.
Highlights
- 1 x 250mm (10 in) Aerofoil™ Cone Bass
- Digital Preamplifier with Dynamic EQ
- App-Based Set-Up and BT-LE Control
About Bowers & Wilkins
There’s nothing quite like experiencing the True Sound of a performance. At Bowers & Wilkins, our dedicated engineers develop and integrate the highest calibre of performance audio technology into our products. The result allows you to hear music and movies with the striking accuracy and realism of the original recording, with nothing added and nothing taken away.
All Bowers & Wilkins productsFeatures
3

Powerful amplification
Thanks to digital amplification, DB4S delivers all the precision, control and authority you could ask for.

Digital preamplifier
DB4S uses a digital preamplifier featuring Dynamic EQ, for optimised audio performance across the available frequency range.

Control App
Adjust calibration and correction easily using DB4S's dedicated smartphone app.
Specifications
- Frequency response
- 10 Hz to 350 Hz
- The range of pitches it reproduces, from deep bass to the top of the treble.
- Inputs
- 2 x XLR 2 x RCA 2 x 3.5mm 12V trigger RS-232 - 9-pin D connector
- The sources you can connect.
- Dimensions (W × H × D)
- 360 × 377 × 368 mm
- Width, height and depth, without cables.
- Weight
- 26 kg
- Per unit, out of the box.
- Driver size
- 250 mm
- Model code
- BOWERS-WILKINS-DB4S-WHITE
- Quote it when you ask a specialist.
Size & weight
- Net weight
- 26kg (57.3 lb)
- Dimensions
- Height 377mm (14.8 in) including feet Width 360mm (14.1 in) Depth 368mm (14.5 in)
Technical details
- Drive units
- 1x ø250mm (10 in) Aerofoil™ cone bass
- Frequency response
- 10Hz - 350 Hz -3dB (centered on level at 100Hz)
- Technical features
- 1x ø250mm (10 in) Aerofoil™ cone bass Digital preamplifier with Dynamic EQ App-based set-up and BT-LE control
- Description
- Active closed-box subwoofer system
- Frequency range
- -6dB at 8.5Hz - 500Hz
- Inputs
- 2 x XLR 2 x RCA 2 x 3.5mm 12V trigger RS-232 - 9-pin D connector
- Power consumption
- 1/8th of rated power 195W Standby <0.5W
- Input impedance
- RCA: 10 kOhm XLR: 20 kOhm
- Signal / Noise
- 82 dB
Finishes
- Cabinet finishes
- Gloss Black Satin White Rosenut
- Grille finishes
- Black Grey Black
Downloads
2
- DB4S ManualManual · English · PDF, 4.3 MBDownload
- DB4S Info SheetDatasheet · English · PDF, 1.9 MBDownload
Awards and press
1

I am happy to be able to conclude this review with the statement that, without any shadow of a doubt, the B&W DB4S is yet another great subwoofer from this great British company.
What Hi-Fi? 5 Stars
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