... market radios: Clarion ,Alpine M-bus,Alpine AI-NET, Blaupunkt, Sony, Sanyo, Panasonic, Pioneer ,Becker etc Specification: l Voltage Input : 12V ... Response : 20HZ-20KHZl Working Temperature : -10C- 80C Car USB SD adapter Mp3 interface for vw audi skoda seat MFD2 RCD300 RCD510 ...