Brand New Technical Pro Hb-2502u 2500 Watt 7.2 Channel Digital Hybrid Amplifier Receiver with Built in Usb + Sd Reader, Built in Pre-amp, Digital Radio / Mic Inputs and Great Features Digital Hybrid Amplifier / Preamp / Tuner with USB and SD Card Inputs 7.2 Channel up conversion Digital fluorescent output display 2500 watts peak output Dimensions: 19" x 3.5" x 13"