Sony XM-S400D 400W 4 Channel Class D MOSFET Compact Car Stereo Amplifier
Sony 400W 4 Channel Class D MOSFET Compact Car Stereo Amplifier | XM-S400D. DOES NOT INCLUDE THE RCA COAXIAL CABLE. THIS UNIT REQUIRES THE REMOTE WIRE FROM THE STEREO TO BE CONNECTED TO THE REMOTE WIRE ON THE AMP HARNESS IN ORDER TO POWER ON.