Bowers & Wilkins Active Closed-Box Subwoofer System - DB4S (B)
Bowers & Wilkins Active Closed-Box Subwoofer System - DB4S (B)
Bowers & Wilkins Active Closed-Box Subwoofer System - DB4S (W)
Bowers & Wilkins Active Closed-Box Subwoofer System - DB4S (RN)
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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.

Nimble and powerful

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

Powerful amplification

Thanks to 1000w of 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 optimized audio performance across the available frequency range.

Take control

By placing control in the palm of your hand, our subwoofer app not only makes our DB Series subwoofers a snap to set up, it also helps maximize your sound quality.

Technical features    

  • 1000W Class D Hypex amplifier
  • Aerofoil™ bass cone
  • Digital preamplifier with Dynamic EQ
  • App-based set-up and BT-LE control
Specifications
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 power195W
Standby power consumption <0.5W
Inputs 2 x RCA
Inputs 2 x XLR
Input impedance RCA: 10 kOhm
Input impedance 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)
Specifications
Net weight 26kg (57.3 lb)
Cabinet finishes Gloss Black,Satin White,Rosenut
Grille finishes Black,Grey