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For the last 2 years, I’ve been dealing with an intermittent issue on my Klipsch Cinema 800 sound bar. It is connected to a Sony Bravia XBR65A8H via HDMI eARC. I also have a pair of Surround 3 speakers. The soundbar powers on and off with the Bravia. Every so often, the speakers will emit a low squealing noise when they turn on with the tv. The display comes up and I am able to change the volume, but there is no audio from the content on the tv. I have tried to power down the soundbar while it’s in this state, but the eARC connection causes it to power back on automatically when it recognizes the active input on the tv. The only way to reset the soundbar is to unplug it, wait for a few seconds and plug it back in. It works for 1-3 weeks and then it happens again. I’ve reached out to Klipsch support about this but they seem to be bewildered by the cause. I’ve done factory resets, firmware re-flashes, and changed the HDMI cable twice. Has anyone else experienced this and found a resolution, or does anyone have any ideas on a potential cause for the issue? I’m thinking I could use an optical cable, but then I’m limited on audio format support to Dolby Digital and not Dolby Digital Plus.
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