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Hello, I have four Era 100 speakers set up in my apartment. I have them all grouped in the Sonos app and use Spotify to play music on them (from my phone and desktop computer).

There is some weird issue popping up occasionally, though. When trying to play a song, sometimes only a few or a single speaker starts playing. Sometimes none of them plays. Sometimes they all start playing, then suddenly stops for a few seconds and then jump to the next song.

I've tried to switch channels on my router. I've also given each speaker a static IP on my network. I've checked the network diagnostic when the issues occur, but can't see any signs of any degraded connectivity through my routers app.

I'm at a loss here. Anyone got some suggestions?

One thing worth noting is that if I reset everything and set it up from scratch, then everything works flawlessly for a few days. And then it's back to square one.

Best regards! And any ideas or suggestions are greatly appreciated!

Sure sounds like some momentary wifi interference , but it’s hard to tell. The challenge is, this could come from inside your own network and home, or be an external influence. 

I would recommend that you submit a system diagnostic within 10 minutes of experiencing this problem, and call Sonos Support to discuss it. Don’t post the resulting diagnostic number here, they get sensitive about GDPR.

There may be information included in the diagnostic that will help Sonos pinpoint the issue and help you find a solution.

When you speak directly to the Support staff, they have tools at their disposal that will allow them to give you advice specific to your network and Sonos system.

Unfortunately I rarely have these issues during Sonos support hours as I'm off to work, but if that's the only way forward then I'll have to make time for it.

Thank you for your reply.

I think I've managed to resolve the issue. Just as Airgetlam suggested there was a lot of interference on many wifi channels in my area. Especially on specific days.

A tip for anyone else having similar issues. Download a wifi scanner tool and identify what wifi channels are the most crowded and switch channels on your router to a channel with few occupants to improve performance.

In my case I used the tool Wifi Analysator on the google app store.

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