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 B&W 700 Series speakers 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. Specifications Technical features: 1000W Class D Hypex amplifierAerofoil bass coneDigital preamplifier with Dynamic EQApp-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:
