One of the most flexible 8 channel preamps there is. Direct analog i/o, full digital i/o. USB connectivity for a control panel interface for every routing path imaginable. Clean & prestine mic pre's that can be pushed hard with no distortion. Perfect, ultra high end optional a/d conversion digital out. Word clock i/o, Madi, toslink, spdif, adat, aes, trs inserts on rear panel. Two instrument inserts on front panel. Built in headphone amp. Amazing unit.