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Bowers & Wilkins DB4S Subwoofer

$2,799.00 inc. GST


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The Bowers & Wilkins DB4S Subwoofer featuring an “Aerofoil” bass driver derived from the legendary 800 reference series and is the perfect addition to any 700 series cinema system or media room. The DB4S delivers fast powerful bass thanks to the 1000watt Class D Hypex amplifier putting you right in the middle of the action! If you are serious about cinema add a second DB4S for superior in-room bass response

Bowers & Wilkins DB4S Subwoofer Key Features;

Technical features  

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


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

Rated power consumption at 1/8th of rated power

Standby power consumption

2 x RCA
2 x XLR

Input impedance
RCA: 10 kOhm
XLR: 20 kOhm

Signal to noise ratio 
82 dB

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

Grille finishes

Download PDF info sheet HERE

See the entire B&W subwoofer line up HERE

Additional Information


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