The ZDSKB1 kit is made of ZDSB200 and ZDSB100CS, a 3-way system High End for BMW

ZDSB200
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 kit is simply plug and play and replaces the original subwoofer to provide fantastic performance across the entire frequency range. This kit is a perfect match for the ZDSB100CS speaker kit to fully upgrade your cars audio output providing a drastic improvement over the standard factory speakers.

ZDSB100CS
The ZDSB100CS is a high-quality speaker upgrade kit for a variety of different BMW models (For specific models please view vehicle applications). The speaker kit includes a pair of impressive 120w speakers that fit into the original speaker locations of the vehicle and are incredibly easy to install thanks to their plug and play compatibility. The kit also includes a pair of 25mm silk dome tweeters which provide excellent high tones that audio aficionados will truly appreciate. The kit replaces the original speakers with high end 2-Way component speakers to provide fantastic performance across the entire frequency range, making a drastically improved experience when compared to the standard factory offering or even higher priced options.