I've tried factory reset, with no luck, rebooting, plugging the ethernet cable and unplugging, but my amp is not reachable from sonos controller app. My other sonos products still working good (1 playbar + 3 play1) .
what can I do?
any help very appreciate.
Best answer by AjTrek1
Take a look at the information in the link as it addresses your issue with the last recommendation to contact Sonos: