Description

Bowers & Wilkins DB4S

The Bowers & Wilkins DB4S is a powerful classically styled single driver subwoofer that’s a perfect match for the 700 Series.  The DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range.  An ideal match for the 704 s2 .

 

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Sound & Image Review

 

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