BMW Underseat subwoofer set Base Audio BMW. Please not this is specific for base audio, if unsure send vin for confirmation. The ZDSB200 is a high-quality 8-inch subwoofer kit for a variety of different BMW models (for specific models please view vehicle applications). The subwoofer features an 8 inch cast basket with a 2 voice coil, sandwich cone and neodymium motor. Offering up to 150W max power this subwoofer is a fantastic improvement over the factory offering with the increase in bass truly transforming the audio listening experience. This ZDSB200 kit is simply plug and play and replaces the original subwoofer to provide fantastic performance across the entire frequency range. This kit can even be paired with the ZDSB100CS speaker kit to fully upgrade your cars audio output providing a drastic improvement over the standard factory speakers. Size – 8 Subwoofer. Nominal Impedance – 3.6? Basket – Aluminium / Plastic. RMS – 75W. MAX – 150W. Surround – Rubber. Magnet – N35. Cone Material – Sandwich Composite Cone. BMW 1-Series E81, E82, E87, E88, F20, F21, F52, F40. BMW 2-Series F22, F23, F44, F45, F46, F87. BMW 3-Series E90, E91, E92, E93, F30, F31, F34, F35, F80. BMW 4-Series F32, F33, F36, F82, F83. BMW 5-Series F07, F10, F11, F18, G30, G31, G38. BMW X1 E84, F48, F49. BMW X3 E83, F25. Mini Clubman F54 2016-21. Mini 5 Door F55 2014-21. Mini 3 Door F56 2014-21. Mini Cabrio F57 2016-21. Mini Countryman F60 2017-21.