Enhance the Bass
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 to life. 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. DB4S uses a digital preamplifier featuring Dynamic EQ, for optimized audio performance across the available frequency range.