Bowers & Wilkins DB4S Subwoofer

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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.


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Product Description


Aerofoil cone

DB4S’ single driver features an aerofoil cone design – the same technology used in our flagship 800 Series Diamond speakers – for flawlessly accurate and articulate bass performance.

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 optimised audio performance across the available frequency range.

Control app
Adjust calibration and correction easily using DB4S’ dedicated smartphone app.


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)
Finishes: Cabinet: Rosenut
Gloss Black
Satin White
Grille: Black
Grey (Satin White only)


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