The Hertz DBA 200.3 is an active subwoofer system with a 200 mm (8 in.) subwoofer and two passive radiators of the same size, powered by an amplifier built-in to the back of the enclosure. A control panel is used to adjust frequency, level and acoustic phase according to one’s own listening tastes. Designed to satisfy those who love the most demanding low frequency in a compact size and sits perfectly under the seat of your VW Transporter. … Fitted Price of £450 inc Vat and available through our Same Day Drive Thru Service…..