16-input Ui Series Mixer. Eight XLR Combo Mic/line Inputs, Four XLR Mic Inputs, Two Channels Of Hi-Z Instrument Inputs, Stereo RCA Line Input. 2 Channel USB Media Player And 2-channel USB Recorder. Four XLR Aux Outputs, Two 1/4" Headphone Outputs Plus Stereo XLR And 1/4" Main Outputs. HDMI Display Connection Output.