Can I use my Alexa speakers or Sonos speakers with Roon?
Roon support Sonos but not Amazon Alexa devices. You can see their partners here:
Where do I learn how to connect my Sonos speakers to Roon?
https://roon.app/en/partners/9/sonos
You can search the forum, there are many posts about this. Sonos is Roon Tested so each speaker should appear as an endpoint you can enable and to which you can play. I am not a Sonos user so I don’t lnow how grouped speakers or making two Sonos speakers work in stereo can be configured, but the forum has a lot of information.
I moved this thread to the Sonos discussion category.
From the Knowledge base online tells you all you need to know.