12 mono channels with high quality mic input on each, 4 stereo inputs, 4 bus structure with subgroup routable to mix. direct outputs from channels 1 - 8 for multitrack recording, globally pre /post switchable for live or studio use. inserts on every mono channel and mix outputs. 3-band eq with creative swept mid control. steep 100hz 18db per octave high pass filters. 3 aux's with up to 2 pre or post fader for foldback or effects. large 100mm faders. 2 subgroup outputs. separate mono output with level control. perfectly working! just as new!