Try an USB-2 port, some USB-3 bridges don't pair well with comtrue interfaces. I can attest, no problem at all playing DSD up to 256 on Windows (foobar, roon, etc. , DSD512 is tricky. Comtrue USB Audio Device is for S9 drivers, S9 Pro shows up indeed as SXW UAD. S9 Pro supports S9 drivers, the...