TDF(Theft Deterrent Faceplate) Drive Change Maximum Output Power : 50W x 4 (MOSFET Power IC) System Q-EX Supreme sound reconstruction, restores musical to compressed music MP3/WMA/AAC/WAV Files Playback with ID-3 Tag Display Android Music Playback *Graphic EQ *CD/ Door Cover *Variable Color Illumination Used and loved but still works well and sounds great Text or call 778-350-0768 for quickest response