20 mono input channel versions, Quality build and audio performance, 2 Stereo Inputs, 2 Group busses, Stereo Mix Output, 2-track record output, 2-track replay input with level control, 3 configurable Aux busses, Globally switched +48V Phantom Power, GB30 Mic Preamps, Peak LED, 100Hz HPF, Insert point (mono channels), 3-band EQ with swept Mid band on mono inputs, 3-band EQ on stereo inputs, PFL switch, Mix and group routing, Signal Present LED, 60mm fader