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Bowers & Wilkins DB4S Subwoofer

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DB4S: 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.

For bass you can feel
With a mighty 1000w of digital amplification, DB4S delivers all the visceral rumble and punch you need to bring cinema sound to life.

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.

Active closed-box subwoofer system
Technical features:
1000W Class D Hypex amplifier, Aerofoil™ bass cone, Digital preamplifier with Dynamic EQ, App-based set-up and BT-LE control
Drive units:
1x ø250mm (10in) Aerofoil™ cone bass
Frequency range (-6dB):
-6dB at 8.5Hz and 500Hz
Frequency Response -3dB (centered on level at 100Hz):
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:
<b>Input impedance</b>:

10 kOhm
20 kOhm
Signal to noise ratio:
82 dB

377mm (14.8 in) including feet
360mm (14.1 in)
368mm (14.5 in)
Net weight:
26kg (57.3 lb)
Rosenut, Gloss Black, Satin White
Black, Grey (Satin White only)

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