Six Independent High-Power Headphone Amplifier Channels Dual Function Balance/Mix Control per Channel Front Panel Stereo Aux Input for each Channel Multiple Monitoring Settings per Channel Individual Output Level Control per Channel Precision Four Segment LED Metering Per Channel Master Volume Control w/ Eight Segment LED Metering Front Panel Direct In Jack One Front and Two Rear Mounted Headphone Jacks per Channel Connects and Drives up to 18 Headphones Simultaneously XLR and 1/4" Main Inputs and Outputs Parallel Main Outputs for Multiple Unit Use