Volumio allows to cast any source to a Sonos speaker or Chromecast device.
Click on CAST icon (OUTPUT MENU) and select the output device between Sonos speakers and Chromecast, placed on your local network.
You can also cast music to a group of Sonos devices or Chromecasts.https://www.loom.com/share/80bac59e3f6c4685a4f44e0c68c0cf0e
It’s not possible to cast music to Sonos and Chromecast at the same time
The Volumio MULTIROOM feature does not allow grouping Sonos speakers and Chromecast with Volumio devices
This feature is only available for Premium users