As far as I recall, the volume changing in calibration does not prove that the Comms is connected correctly. The volume change is done directly in the SPDIF signal.

So to me it sounds like your Comms cabling is suspect.

Can you detail how it's wired up?


Ex-moderator
Sitting room: dCS Network Bridge, 818v3, HD621, 8kSE
Library: dCS Rossini Apex DAC/Clock, Clearaudio Innovation, Audio Research PH2, Mjölnir KGST, Mjölnir PureBipolar
Music Room: 210, D33
Kitchen: RPi/RoonBridge, Genelec 6010 actives
Desk: Merging Anubis
Server: Roon/ROCK/NUC

Headphones: Stax SR-X9000, Stax SR-007, Stax SR-404LE, Audeze LCD-X...

Oldest audio file: 1889 Edison cylinder