Heritage Audio MCM-32, Analog 32-channel totalizer, With four subgroups, Sub-D25 connectors symmetrical, 2 Master Insert Send and Return XLR (L / R), VU meter, Encoders for panorama, level, insert on / off and mute switches per channel, Insert points per channel, 1073 Class-A output stage, Stereo mix and monitor output, External power supply, Construction: 19 ""/ 4 U