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. Solid, dramatic bass is delivered through the rigidity and lightness of the uniquely-shaped, variable thickness Aerofoil™ cone. Thanks to 1000w of digital amplification, DB4S delivers all the precision, control and authority you could ask for. DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range. Adjust calibration and correction easily using DB4S dedicated smartphone app.
