Bowers & Wilkins DB4S Subwoofer

£1,500.00 inc.VAT

Providing the ideal balance of high-performance acoustics and living room-friendly dimensions, 700 Series speakers are a superlative choice for home cinema sound.

Pair them with one of the two centre-channel speakers in the range and the powerful DB4S subwoofer, and you’re set for a truly transformational movie experience.

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SKU: B&W DB4S Subwoofer Categories: , , , Tag:

The Bowers & Wilkins DB4s is powered by a mighty 1000w of digital amplification, and featuring the same AerofoilTM cone drive unit technology found in the 800 Series Diamond, the DB4S delivers unrivalled precision, control and authority.

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.

With a might 1000w of digital amplification, DB4s delivers all the visceral rumble and punch you need to bring cinema sound to life.

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, the Bowers & Wilkins 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.

About Bowers & Wilkins

Bowers & Wilkins, or B&W, is a British company that produces audio equipment, most notably loudspeakers. Bowers &Wilkins was founded in 1966 by John Bowers at Worthing, West Sussex, England. Currently, B&W, while still based in Worthing, is part of the B&W Group Ltd., which also includes audio equipment manufacturers Rotel and Classé.

Bowers & Wilkins began as a radio and electronics shop in Worthing. It was started after World War II by Bowers and Roy Wilkins who had met while serving in the Royal Corps of Signals during the war. The shop expanded to include televisions retail, a rentals business and a service department run by Peter Hayward.

When the shop began supplying public address equipment to schools and churches in Sussex, Bowers became increasingly involved in the design and assembly of loudspeakers, eventually setting up a small production line in workshops behind the shop.


Black, Rosenut, White


Technical features    
1000W Class D Hypex amplifier
Aerofoil™ bass cone
Digital preamplifier with Dynamic EQ
App-based set-up and BT-LE control

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    

Rated power consumption at 1/8th of rated power

Standby power consumption    

2 x RCA
2 x XLR

Input impedance    
RCA: 10 kOhm
XLR: 20 kOhm

Signal to noise ratio    
82 dB

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
Satin White

Grille finishes    


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