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Registered: ‎10-14-2021

NS-SBAR21F20 Audio Sync issues.

I have a NS-SBAR21F20 connected to a 55” Insignia 4K Fire Tv and I’m having audio sync issues. The sound bar will start in sync after power cycling and then will slowly desync. This happens both through RCA and Optical connections, I have tried flipping between PCM and Dolby Digital, turned down mixing on and off, factory reset, several different devices, apps and inputs. I’ve also attempted using audio pass through on my Xbox to check that off the list as well, nothing works! Please help me, this is such an annoying issue.
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Registered: ‎09-29-2008

Re: NS-SBAR21F20 Audio Sync issues.

Welcome to our community, goose7612.


It sounds like you've been quite thorough in your troubleshooting. 


At this point, I recommend contacting Insignia Support at (877) 467-4289 for assistance troubleshooting your tablet.


I hope this helps. Thank you for writing to us..

John|Social Media Specialist | Best Buy® Corporate
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