Bowers & Wilkins DB4S Rosenut

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. 

Control app

 Adjust calibration and correction easily using DB4S dedicated smartphone app.

Specifications:

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)