First thing to try is:
- Turn the volume down to something reasonable
- Play any hi-res PCM file - 88.2/24 or higher
- Listen for a few seconds
- Pause / stop playback in Roon until the ‘signal path’ light goes off.
- Hit the play button to re-start playback from where you left off.
- Pause / stop playback in Roon until the ‘signal path’ light goes off.
- Did you hear a loud scratchy pop as the signal path light went off?
- If you did, then fallback to Bridge 3.5.1 and tell Roon your DSjr is a ‘decoder only’