Bowers & Wilkins CTSW12 Premium Custom Theater 12" Subwoofer
With its powerful 12in paper/Aramid Fibre drive unit, the CT SW12 delivers the maximum explosive punch for your money. Powered by a separate CDA-2HD amplifier, the CT SW12 slots neatly into a home theatre cabinetry and uses a uniquely rigid mushroom diaphragm construction to deliver unparalleled bass effects.