Feedback in new system

Turbosi44
Turbosi44 Posts: 1
edited March 2013 in Troubleshooting
I have had a polk 4000 soundbar for about 4 days and after 20 to 30 min of use it starts to get very high pitched feedback and if you turn the system off or the source it will be fine again for a while then starts again. I have also disconnected the wifi with no change . Please help.
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  • zane77
    zane77 Posts: 1,696
    edited March 2013
    Call Polk customer service in ten AM
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