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Other than turn off the surround speakers, how to stop surround speakers from fluttering when playing music from the phone app with ARC Ultra and Era 300 Surround speakers? I know this question has been ask before, but I have not found a good solution.

How are you playingmusic from the phone?


Do you have the surrounds set to ambient? If you’d set them to full they would play stereo with the Arc Ultra.


I’m using the Sonos Android App to play music.

I tried the surrounds both on ambient and full and they flutter on both settings.


Hi @jjlink 

Welcome to the Sonos Community!

I’d like to look into this issue for you, but I am not 100% sure what you mean by “fluttering” - could you please elaborate? Thanks.

If you mean they play but with repeated audio interruptions, please try removing the surrounds from the Arc Ultra and add them back on again.

Remove surround speakers

Add surround speakers to a Sonos home theatre

If this does not resolve the issue, I recommend you get in touch with our technical support team who have tools at their disposal that will allow them to give you advice specific to your Sonos system and what it reports.

I hope this helps.


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