The Model 24 is an analog mixing console, multitrack recorder and USB audio interface. 22 analog inputs (16x mic, 2x Instr, 20x balanced line, 1x stereo channel). Insert on channels 1 and 2. Main stereo bus, sub stereo bus, 2 AUX/monitor buses and effects bus. Compression knob on channels 1-12. High-pass filter. 3 band equalizer. 7-band graphic equalizer main bus or AUX/monitor. Effects processor (16 presets). 24 track recorder to SD card (WAV, 44.1/48kHz, 16/24 bit). Overdub function for recording. Multitrack player (WAV,MP3) Contains 24-channel USB audio interface.