Allows for 2x3, 2x2 +sub, 1x4, 1x5 or 1x6 Configurations Crossover, Graphic EQ, parametric EQ, Gate, Feedback Suppressor, RMS Compressor, Peak Limiters, Sub-Harmonic Synth with up to 500mSec of Delay on each Input and Output Auto-Feedback Suppression Auto-Setup Integrated Graphics Display Setup Software and Updates Delivered via USB Individual LED Meter and Mute on every Input and Output System Muting on Power On/Off Ground Lift Switch Universal power supply