The teensy 4.1 will work with multiple dacs as discussed. However, USB audio support is only stereo at the moment (2 in/2 out). Many users have goals to add more channels. I think one might have gotten 4/4 working but...
I just wanted to say that JackTrip is an awesome project, never heard of it and I will be digging in for sure.
Exactly what connection is needed electrically to connect an external clock to the Teensy? I know I've...
Yes, look at the AudioInputI2SQuad and AudioOutputI2SQuad. It is doing this with the shield, which is sending and receiving I2S.
https://www.pjrc.com/teensy/gui/?info=AudioInputI2SQuad#tab-info...