Reads up to a 16 GB SDHC card or Connect up to a 16 GB flash drive for MP3 audio playback. Listen to AM or FM radio stations. Connect the audio output of an auxiliary device like MP3 player or handheld game console for playback through the entire audio system. You"ll find separate front, rear, subwoofer, and line-level RCA pre-amp outputs on the back, all 2V max. Detachable Theft Deterrent Faceplate. 52wx4 MOSFET Powered Speaker Level Outputs. 18FM/12AM Station Memory. Custom & Preset EQ Settings. Audio Staging Controls, Remote Control Included.