Hector F. Posted September 30 Share Posted September 30 Subwoofer is less than 4 years old. Rhythmic thumping sound (like a heartbeat) started out of nowhere. I turned off the home wifi, but that wasn't the issue. I unplugged from the receiver, but the noise continued. Moved the subwoofer to a different room and plugged into a different circuit, noise continued. Any suggestions? Quote Link to comment Share on other sites More sharing options...
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