Pyle Home Theater Preamplifier Receiver, Audio/Video System, CD/DVD Player, AM/FM Radio, MP3/USB Reader, 1000 Watt Audio + Video Home Theater System - Connects to TVs, Soundbars, Speaker Systems - Front Loading CD/DVD Player 4-Channel Preamplifier Receiver - Powers up to (4) Loud Speakers - AM/FM Radio - USB Reader - Aux (3.5mm) Input MP3 Digital Audio File Compatibility - (4) Pair Speaker Terminal Binding Posts - (2) Pair RCA (L/R) Audio Inputs Subwoofer RCA (L/R) Output - Optical (Digital) Audio Output - (2) 1/4'' Mic Inputs - 1/4'' Headphone Jack - 1000 Watt Video Outputs: S-Video, RCA YPbPr (Component Video) - Rack Mountable - Includes Remote - Size: 16.9'' x 12.0'' x 5.1'' 200 Watts x 2 @ 8 Ohms - 360 Watts x 2 @ 4 Ohms - 450 Watts x 2 @ 2 Ohms - 110/220 Volt Switchable Power Source Refer User Manual (PDF) under Product Details for trouble shooting steps