Bowers & Wilkins - DB4S Gloss Black - Active closed-box subwoofer system. 1000W Class D Hypex amplifier, 1 x 10" Aerofoil cone drive units, Digital preamplifier with Dynamic EQ, App-based - Paulson's
B&W (Bowers & Wilkins) DB4S - price drop, ... For Sale | Audiogon
Bowers & Wilkins DB4S (Gloss Black) Powered subwoofer at Crutchfield
B&W (Bowers & Wilkins) DB4S Power Subwoofe... For Sale | Audiogon
Bowers & Wilkins DB4S (Gloss Black) Powered subwoofer at Crutchfield