MAJOR EDIT: I believe this may be my answer:
SHD Studio - All Digital Processor (minidsp.com)
Would these cables work correctly with the minidsp?:
I can use an aes input for a PI2AES, but I need coax spdif outputs to go to the dacs, meaning I need conversion cables.
Connectronics AES-SPDIF XLF to RCA Digital Audio Cable 6 Foot (markertek.com)
Do I need these instead?
Amazon.com: Hosa CDL-313 Coaxial-SPDIF to AES-EBU Link - Converter Coaxial Data Link AES/EBU (XLR) to S/PDIF (RCA) : Electronics
I may need to switch out 2 aune X8’s for 2 of these and make things way simpler: