Multi-Channel Home Audio Power Amplifier - Mixer w/ 70V 100V Output - 375 Watt Rack Mount Stereo Receiver w/ 3.5mm AUX USB, Mic Talkover for PA System, Commercial Entertainment Use - Pyle PT730U 375 WATT POWER: The Pyle Multi Channel PA Amplifier is perfect for your PA and commercial entertainment system. It gives you 375W peak power perfect for office paging, public gatherings, live DJ or if you just want a great music experience 16 INPUTS: The personal portable digital amp box supports iPod or MP3, USB, micro SD card, tape deck, tuner, AUX, CD player. It also features 5 microphone inputs for karaoke, talkover and event hosting, and switchable 3-channel stereo AUX-IN SPEAKER PUSH-TERMINALS: The professional integrated indoor house stereo receiver allows you to connect one or more 4-8 ohm, 70V to 100V speakers w/ or w/o transformers. Make sure that all connected speakers should have the same impedance rating VOICE PRIORITY BUTTON: The sound amplifying device features a MIC talk-over function where the background music will be minimized by pushing the button when the signal is inputted to MIC1. This function is used in paging, voice over and announcements EQ CONTROLS: The compact and rack mount amplifier features front panel controls for bass, mid, treble, tone and master volume adjustments. Each mic and AUX input has their own volume control knobs, allows you to be in full control of the output sound