Pyle-Pro P1501ATU 1500 Watts Hybrid Pre Amplifier with AM/FM Tuner/USB Separate gain control for preamp and subwoofer 1500 Watts Peak Power 500 Watts at 2 ohms Separate gain control for subwoofer, 1500 Watts Peak Power, 500 Watts @ 2 ohms, 400 Watts @ 4 Ohms, 220 watts @ 8 ohms, Inputs: RCA (2 Audio Sources), Outputs: Banana Binding Post (to Speakers), 1 RCA dedicated for Preamp output, 2 Mono RCA dedicated for Subwoofer Output Digital Flourescent Output Display Meter, iPod/ MP3 Input with Cable, USB Reader Function: Plays MP3 Files, Supports USB Drives up to 32GB Dimensions: 19" (W) x 3.5"(H) x 13"(D) 110/220V Switchable, AM/FM Quartz Synthesized Tuner, Sold as: Unit Warranty: 1 year