Features: 16 faders, LEFT and RIGHT main mix faders (note: the 8816 has only 1 stereo main mix level control without faders) Balanced direct output on all 16 channels with Pre / post fader selection USB for recall USB for CUT/SOLO link between 8816 and 8804 (CUT/SOLO switches on 8816 and 8804 are synchronized both ways) Future HUI for Pro Tools (we will keep you informed of progress on this) When 8804 is fitted, you can use the level control potentiometers as an auxiliary control. 8804 chassis 19'' rackable or can be laid on a table using integrated feet.