Keyboard MIDI controller (37 note) with audio I/O, 24bit 96k, 4 analog input (1 mic XLR, 1 instrument unbalanced 1/4", 2 line unbalanced 1/4"), 4 analog output (2 balanced 1/4", 2 unbalanced 1/4"), MIDI interface, S/PDIF, headphone out. Compatible with Pro Tools M-Powered software.