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I recently connected a pair of Play:3 speakers as surrounds for my Beam 2, Sub 3 basement home theatre setup and the surrounds are giving me a lot of trouble. The audio coming out of the surrounds is throbbing like a tremolo effect, similar to if you talk into a fan that’s spinning. I previously had a pair of Play:1 surrounds connected and they worked perfectly, so the Apple TV and Sony TV settings are not the problem. I have tried rebooting the Beam. I have tried rebooting the Play:3’s. I have removed them as surrounds and added them from scratch and the problem persists. Could this be an issue with wireless interference? If it matters, the Beam is connected via Ethernet with WiFi disabled. I believe when the Play:1’s were hooked up I did not have the Beam on Ethernet. Suggestions please?

I’m going to reply to my own question since I just resolved it. As I was typing my issue I realized that connecting my Beam to Ethernet was something I did recently. I just turned the WiFi back on in the Beam settings and after about 45 seconds the rears no longer have any throbbing distortion. Perhaps this is a known issue, but if not that was my fix. Thanks.


That "turn off wifi" is such a deceptive label considering what it actually does.

It turns off the internal radio, completely, so no wifi but also no wireless link to sub or surrounds.

It should never be done without consulting Sonos and even then in a few rare situations. 


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