Vibe OptiSound BMW 8 Woofer: OPTISOUNDBMW8-V4. 2 x 8 woofer fits into the under-seat enclosure. Easiest plug & play installation due to car-specific baskets and harnesses. System can be used as passive or semi-active system. Approved compatibility with Bmw 1 Series E82/87/88/ 3 Series 90/91/92/93. ESOTERIC CONE: Composite cone using paper, and wood fibres for a lightweight and rigid cone producing a natural vocal reproduction. NEODYMIUM MOTOR: All drivers feature powerful neodymium motors which deliver maximum magnetic force with shallow installation depth. SHALLOW SUBWOOFER: Custom tooled 8 inch subwoofer directly replaces the under seat installed factory speakers delivering improved bass performance. Type Car Specific Component. Speaker Size 8 (200mm). RMS Power 115 watts. Peak Power 345 watts. Minimum Input (RMS) 55 watts. Frequency Response 55Hz – 25kHz. We offer a collection service on some of our items. Please call our retail shop before collecting an item. WE DO NOT REPLY TO ANY DIRECT EMAILS. Whatever you are looking for, we have a great range of vehicle products for your car, van or motorhome. We are confident that you will find everything you need and more at Motor Solutions. Motor Solutions are proud suppliers of a wide range of products from some of the top vehicle security, multimedia and accessories manufacturers including Clifford car alarms, Smartrack vehicle trackers, Cobra motorhome security devices, and Snooper Ventura sat nav systems for motorhomes. Thanks For visiting Motor Solutions.