24 channels 4 audio group AUX & rsquo pan control 6, but with the pre / post-fader channel-switch, two stereo channels with a microphone and dual stereo inputs, matrix 7x4, the output M can be configured as a sum LR, subwoofer output or as a master, the possibility of recording through channel direct outputs * external inputs on the matrix with level control and to combine the inputs, individual switching phantom power and phase rotation, the individual pre / post-EQ aux internal switches, direct outputs and other options, Mutes, indicators and AFL at all master fader