The Aune T1 is back on drop I'm sure you saw.
From another post of mine, more questions please let me know, hope this helps:
2 weeksreplying to KJ741N on Let's see yalls rigs.
USB 2.0 @ 480 Mbit/s is more than enough for audio data streaming, today, and likely for a while. 3.0 will work, backwards compatible so the specs say. The concern is with the streaming / Isochronous part, it is exactly that, all the losses & corruption are yours...