Detachable, fold-down face Plays MP3 files stored on a CD-R and CD-RW Displays ID3 tag information Sirius Satellite Radio controls System Q EX Sound Control System Advanced Crossover Bass Management System Dual zone control CD text Zero-bit mute circuitry eliminates receiver output when no signal is present 4.5-volt front, rear, and subwoofer preamp outputs Amp muting circuit - turning off the built-in amp improves the quality of the preamp output signal CD/MD changer controls Auxiliary input Clock 22 watts RMS/50 peak x 4 channels Super high end kenwood Tons of features Can show it works Can ship cash app and zelle!!! payments shipped priority usps same day tracking Plenty of refencese