So I have been trouble shooting this issue since the first week of November 2022.I have had my setup since June 2022, with no issues until the first week of November.I have an ARC sound bad, gen3 Sub and 2 One SL that I use as surrounds. They area all bonded to the arc in the living room. I have gone through multiple trouble shooting sessions via chat and on the phone as well.The issue: There is an audio delay from the One SL surrounds whenever I am watching TV or streaming audio. The audio from the TV to the Arc is perfect, there is a delay coming from the surrounds only. Whenever I start a session, the audio is in sync for the first 10 or so minutes, and then the delay becomes noticeable. When I change the source, or when I turn off the surrounds and turn them back on immediately in the app, they are in sync again, until 10 or so minutes the delay becomes noticeable. The delay gets worse over time past the 10 minute mark. Since June I had the the whole system connected via wifi with no issues. Here is a list of things I have tried to resolve the issue:I installed a separate wifi router that only had the Sonos system on it, same issue I did a factory reset on the whole setup, same issue I tried it with and without Trueplay, same issue I reset the router, same issue I connected the Arc via Ethernet cable, same issue I tried adjusting the response time from low, to mid, to high, to max, same issue I tried adjusting the lip sync slider, same issue I tried disconnecting my cable box from the TV, same issue I tried SonosNet channels, 1, 6 and 11, same issue I am at a loss of what other things I can try, what I do know is that from June until November, I was in love with the Sonos system I have at home. Since then, I find myself turning off the surrounds in my day to day use of the system, or when I am watching a movie that I am into, I spend the whole time toggling the surround audio on/off every 10-15 minutes to reset the delay. Yes my home has a bunch of wireless items, cameras, doorbells, smart lights etc. but nothing has really changed since June in terms of anything that can be causing wireless interference. My guess is that now since the Arc is connected via ethernet and communicates to the Surrounds via Sonosnet, it is unrelated to the wifi and less prone to wireless interference? The people I have chatted with/spoken to seem to tell me that on their end, there is no sign that anything is wrong with my system. Any tips or advice from anyone who has had the same issue would be greatly appreciated. Case number: ******** Diagnostic: 1290882174 Moderator Note: Removed case number as it is considered private information.

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Constant audio delay / out of sync from ONE SL surrounds

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So I have been trouble shooting this issue since the first week of November 2022.I have had my setup since June 2022, with no issues until the first week of November.

I have an ARC sound bad, gen3 Sub and 2 One SL that I use as surrounds. They area all bonded to the arc in the living room.

I have gone through multiple trouble shooting sessions via chat and on the phone as well.

The issue: There is an audio delay from the One SL surrounds whenever I am watching TV or streaming audio. The audio from the TV to the Arc is perfect, there is a delay coming from the surrounds only. Whenever I start a session, the audio is in sync for the first 10 or so minutes, and then the delay becomes noticeable. When I change the source, or when I turn off the surrounds and turn them back on immediately in the app, they are in sync again, until 10 or so minutes the delay becomes noticeable. The delay gets worse over time past the 10 minute mark.

Since June I had the the whole system connected via wifi with no issues. Here is a list of things I have tried to resolve the issue:

I installed a separate wifi router that only had the Sonos system on it, same issue
I did a factory reset on the whole setup, same issue
I tried it with and without Trueplay, same issue
I reset the router, same issue
I connected the Arc via Ethernet cable, same issue
I tried adjusting the response time from low, to mid, to high, to max, same issue
I tried adjusting the lip sync slider, same issue
I tried disconnecting my cable box from the TV, same issue
I tried SonosNet channels, 1, 6 and 11, same issue

I am at a loss of what other things I can try, what I do know is that from June until November, I was in love with the Sonos system I have at home. Since then, I find myself turning off the surrounds in my day to day use of the system, or when I am watching a movie that I am into, I spend the whole time toggling the surround audio on/off every 10-15 minutes to reset the delay.

Yes my home has a bunch of wireless items, cameras, doorbells, smart lights etc. but nothing has really changed since June in terms of anything that can be causing wireless interference. My guess is that now since the Arc is connected via ethernet and communicates to the Surrounds via Sonosnet, it is unrelated to the wifi and less prone to wireless interference?

The people I have chatted with/spoken to seem to tell me that on their end, there is no sign that anything is wrong with my system.

Any tips or advice from anyone who has had the same issue would be greatly appreciated.

Case number: ********

Diagnostic: 1290882174

Moderator Note: Removed case number as it is considered private information.

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So I’ve had my replacement arc for 5 days now and so far, the audio issues have been fully resolved! Seems the faulty Arc was the culprit all along.

Thanks again Corry for all your help and to all those who have contributed. I love my Sonos setup once again!