So we have a number of Sonos boxes; a couple of S2 Connect:Amps and Connects, play:1s and now a Beam & Mini Sub.
Everything was pretty stable until the summer, when the amps started glitching. Some days fine, sometimes all over the place. I am not sure what suddenly made these unstable - a random software update on Sonos or the wifi router, or the amps getting too hot in the cupboard they are in. (Could this make this happen?). They sit next to each other on a shelf feeding remote ceiling speakers.
The other boxes work fine.
I have tried all sorts of things; moving wireless router away, restarting everything, resetting, wriing differently.
We have a TP-Link X20 mesh router of 3 boxes (one of which is (was) near the amps. The amps are wired to a Netgear unmanaged switch. The amps are wired to the switch. (I read that mesh networks could impact performance - but it all worked fine for about 2 years.)
They do the same thing, whether using Sonosnet, or the wifi network, whether streaming from external sources, or the NAS library.
Could it be a hardware fault? (On both boxes?)