Category List: Audio System, Brand: Bowers & Wilkins, Short Description:2 - Closed - Box 12" Passive Subwoofer , Long Throw Paper / Kevlar Cone, Frequency Range 17/25Hz to 140Hz, Power Handling - 1000W, Height - 482.6mm (19"), Width - 406.4mm (16"), Depth - 304.8mm (12")