Bowers & Wilkins DB4S Subwoofer

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.

$2,799

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The best of bass

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.

Powered by a mighty 1000W of digital amplification, and featuring the same Aerofoil™ cone drive unit technology found in the 800 Series Diamond, the DB4S delivers unrivalled precision, control and authority. It’s the perfect partner for 700 Series speakers in a home audio set-up.

DB4S Lifestyle 703Cinema GlossBlack GrilleOff 2880x2880

Enhance the bass

Aerofoil 1360x1530

Nimble and powerful

Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoil™ cone.

db4s subwoofer digital amp tech

Powerful amplification

Thanks to 1000w of digital amplification, DB4S delivers all the precision, control and authority you could ask for.

db4s subwoofer amp tech

Digital preamplifier

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

db4S subwoofer app tech

Control app

Adjust calibration and correction easily using DB4S dedicated smartphone app.

Technical features   
1000W Class D Hypex amplifier
Aerofoil™ bass cone
Digital preamplifier with Dynamic EQ
App-based set-up and BT-LE control

Description 
Active closed-box subwoofer system

Drive units 
1x ø250mm (10in) Aerofoil™ cone bass

Frequency range  
-6dB at 8.5Hz and 500Hz

Frequency response 
10Hz – 350Hz -3dB (centred on level at 100Hz)

Max power output
1000W

Rated power consumption at 1/8th of rated power
195W

Standby power consumption
<0.5W

Inputs    
2 x RCA
2 x XLR

Input impedance
RCA: 10 kOhm
XLR: 20 kOhm

Signal to noise ratio 
82 dB

Dimensions 
Height 377mm (14.8 in) including feet
Width 360mm (14.1 in)
Depth 368mm (14.5 in)

Net weight   
26kg (57.3 lb)

Cabinet finishes 
Gloss Black
Satin White
Rosenut

Grille finishes
Black
Grey

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