Technical Pro HB1502U Digital Hybrid Amplifier/Preamp/ Tuner with USB and SD Card Inputs Features include: 1500 watts peak power 7.2 Channel up conversion Inputs: RCA (2CH input, 5.1 CH input), USB and SD Card, iPod/MP3 Outputs: Banana binding post (4 full range speakers), Push button (surround sound speakers), Dual microphone inputs (1/4 inch)Microphone volume, bass, treble and echo controlsDigital fluorescent output display Removable rack-mount bracketsRemote ControlRemote requires two AAA batteries (not included) Dimensions: 19 w x 3.5 h x 13 d inches110-220V SwitchableIncludes retail packaging*iPod not included 2 RCA (Record line, Pre-amp output), 2 mono RCA (Subwoofer)Separate gain controls for Pre-amplifier and subwoofer outputsAM/FM digital tuner Outputs: 2 RCA (Record line, Pre-amp output), 2 mono RCA (Subwoofer) Outputs: Banana binding post (4 full range speakers), Push button (surround sound speakers), 2 RCA (Record line, Pre-amp output),