The 3U panel has XLR connectors for 16 analog inputs and 16 outputs, plus 4 stereo digital in and 4 out (AES-S/PDIF).
8 channels of ADAT in AND out remain on the 1U main unit for a total of 32 ins and outs. Any input can be routed to any output of any other unit connected up to 1640 feet away (550 meters) over fiber optic cabling.
Pricing and Availability:
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