Update. It's been months and Polk still hasn't gotten permission for the hundreds of people crackling/chirping. I was told it would be fixed with a firmware update. So. I've been waiting and now I'm stuck with this crappy soundbar just like so many other people! Original: I see a lot of feedback and comments all over the internet and here about the same problem I'm having. There is an annoying popping/chirping sound coming from the rear surround speakers. I didn't send the system back because I'm hoping for an update that fixes it. This is not just a separate issue. It turns out that many people have the same problem. I'll be contacting Polk directly soon.
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