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 1-series (F20/21), 3-series (F30/31/34/35), 4-series (F32/33), 5-series (F10/F11) 6-series (F12/13), X3 (F25). 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. 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. In addition to the great range of vehicle products we supply and fit, we are also able to offer a fully comprehensive engine remapping and tuning service for most makes and models of vehicle from cars to motorhomes. This service enables our customers to use their vehicles safely to their maximum potential. When your vehicle is running at its best you will be reducing your fuel bill as well as your carbon footprint. We are confident that you will find everything you need and more at Motor Solutions. Thanks For visiting Motor Solutions.