Stinger SI8412 BMW X3 Phoenix Gold ZDSW7CS is a

Phoenix Gold ZDSW7CS is a high-quality 7-inch Component speaker upgrade kit for a variety of different Volkswagen models (For specific models please view vehicle applications)

It truly is a plug and play solution for your vehicle

Subsonic Adjustment: 20Hz - 35Hz

Original installation upgrade

Stinger SI8412 BMW X3 Phoenix Gold ZDSW7CS is aStinger 12 FT 4 Channel, Directional Twisted Silver Copper Interconnects with Male to Male RCAs (8000 Series) Features Stinger Audiophile Grade Design Improves Sound Quality, Noise Rejection, and Offers Easy Installation Oversized Silver Plated Copper Conductors Provide Tight Bass Response and Crystal Clear Highs Combination of Copper and Silver Allows for Extended Frequency Response Mono Cable Design with Undersized Stopper for Easy Installation