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. 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. 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. Our state of the art premises are conveniently located in Birmingham, which means our customers can reach us easily from all over the UK and we are also able to provide a comprehensive nationwide fitting service. Our hassle-free mobile fitting service means that you can enjoy the quality and service we provide without having to leave your own home. Thanks For visiting Motor Solutions.