This unit will not accept a 96/24 digital feed. The only way to pass the 96/24 information through the DC2 is to feed the analog inputs and output through zone2. This process avoids AD conversion inside the DC2 and will pass the analog outputs of the sound card unprocessed through the zone2 output (assuming you choose "analog" as your output selection for "zone2/rec" in the setup, which is the default).