24 Bit A/D – D/A Audio Resolution. 24 Bit/100MHz (x2) Digital Signal Processing. Four Channels of 12-Band Parametric EQ. Programmable Compressor/Limiter. Programmable Delay up to 1.364 Seconds. Programmable High and Low Pass Filters. Programmable High and Low Shelf Filters. Control From PC or MIDI. Contact Closure for External Recall of 6 Scenes. Balanced XLR and 1/4? Inputs and Outputs. Linkable Channels. +10/- 20dB Boost and Cut, 0.5dB increments. 128 Preset Locations, 50 Scenes. RS-232 Computer Interface. Full MIDI Implementation.