The Bowers & Wilkins DB4S is a compact, powerful active subwoofer designed to complement the 700 Series and deliver dramatic bass performance for home cinema and hi-fi systems.
Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped variable thickness Aerofoil cone. 1000W of Class D Hypex amplification delivers precision, control and authority. The digital preamplifier features Dynamic EQ for optimised audio performance across the available frequency range. App-based set-up and Bluetooth LE control are included.
| Amplifier Output | 1000W Class D (Hypex) |
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| Driver | 1x 250mm (10in) Aerofoil cone bass |
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| Low Frequency | 8.5 Hz |
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| Upper Frequency | 500 Hz |
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| Power Consumption | 1000W |
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| Standby Power | <1.0W |
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