This thing is a Greek Tragedy.
To be fair, my feedback is targeted for those using Roon. After the Driver Download, Uninstall, Reinstall, Restart, Firmware Update, numerous Uninstalls and Restarts; I was able to achieve the coveted Majenta from Tidal playing Master Files/MQA. I was using the Tidal Desktop App exclusively.
The issue is that when changing file types in Roon (DSD, FLAC, 24/96 FLAC, 24/192 FLAC, Tidal, Tidal Masters, etc.); the iDSD BL mutes and will not play. The "trigger" seems to be DSD & Hi-Res FLAC files. Once I played one of these file types, the iDSD BL would mute if I selected any type of Tidal track. I tried to isolate the issue but after 2 Hours of nonsense I gave up.
How does it sound as a DAC coupled with my Jotunhiem? No clue. I was so frustrated that I repackaged the iDSD BL to return before I even considered evaluating the sound quality. Is it a Firmware issue? I downloaded and installed the latest Firmware from iFi. I honestly don't care.
I have been considering this DAC since it was released in November. I was encouraged with the latest review from Sound & Vision. I am willing to allow that it may be a "me" issue. That being said, I have never encountered this with any of the numerous Schiit, AudioQuest, LH Labs, Micca or Creative DACs that I have owned. Buyer beware.