Parasound Halo: DSD only works when converted to PCM?

[Mao-Hsien_Wang]

I have Supremo and Hugo2 both work excellent natively, but not with Roon.

I have supremo and Hugo2 with iMac5K, the same situation like all of yours. Only hiss sound heard by DOP, unless turn on PCM conversion.

No native DSD playback

Please teach me how to resolve! I use iMac 5K with OS high Sierra. I use El Captain IOAudiofamily.kext instead of high sierra’s IOAudiofamily.kext. Native DSD are running with Audirvana plus fine. but I can’t run it natively with Roon. I have multiple DAC, like Supremo, Hugo2 and Sony SRS-X99. DoP is not working under Roon. Only Hiss sound heard while playing DSD file in native mode. PCM conversion is OK. Recently, I buy Mojo-Poly. Amazingly, they work excellently via WIFI networking. I can …

I bought Poly and Mojo, started with WiFi network. Amazingly, they work perfectly with Roon with DSD file without PCM conversion.

Just I don’t know why the DAC-USB connection just doesn’t work with Roon.