SchwingMC

I also tried to use geforce experience, it had the same issue. So it seems to be no sunshine issue.

I also tested a different Streaming Box ( Strong Leap S3+ with Android 11) The Soundfail still persists. I'm using a yamaha TSR 400 as AV receiver.

So, i directly connected the PC to the AV receiver and this works flawless. So it indeed seems to be an Moonlight/Sunshine issue, everything else has been tested. It might...