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 (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