The cable is composed of plastic and copper, which can withstand certain temperatures and vibrations in the car environment to ensure the stability and reliability of the cable. Convert the wiring harness of the original factory speakers in vehicles to a standard ISO interface for connecting to aftermarket audio equipment. Speaker harness compatible with X1/X3/X5, F10/F18/F30/F20/E60/E90/E70 stereo tweeter speaker wiring harness. It is compatible with E/FG series Before using this cable, please carefully check the connection interface between the vehicle and audio equipment and ensure that the cable matches the interface. Provides stable, long-lasting performance in demanding automotive environments, ensuring your audio system operates smoothly for an extended period.