@dpac996 The M21 is not RoonReady. It works, but does not have the certification.
The only ones that are RoonReady are the M1, M5 and M12.
The only ones that are RoonReady are the M1, M5 and M12.
Roon Certification News, Share
Important Changes to how Roon interacts with your Roon Ready devices:
Dear Roon subscriber,