Bowers and Wilkins DB4S Closed Subwoofer System in Gloss Black

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. Powered by a mighty 1000W of digital amplification and featuring the same Aerofoil cone drive unit technology found in the 800 Series Diamond, the DB4S delivers unrivalled precision, control and authority. It's the perfect partner for 700 Series speakers in a home audio set-up.