Bowers & Wilkins DB4S Subwoofer

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 including feet
Width 360mm
Depth 368mm

Net weight    
26kg

Cabinet finishes 
Gloss Black
Satin White
Rosenut

Grille finishes    
Black
Grey