I'm the original owner, bought from Carlton Audio Visual. Nothing wrong with the unit however I had trouble with the audysee microphone in the latter years of ownership so sourced a new one.
For some strange reason, when I purchased the Marantz PrePro I had similar issues with the supplied audysee microphone so will keep the one I sourced for the Denon.
The original audysee microphone will be supplied with the Denon and may work fine in another room with different speakers. I can't guarantee it though.