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If you have your sub in standby mode (power save switch on back of sub), the sub will power off in about 5 minutes and makes a loud clicking sound to power down. Thats normal. If you don't like hearing that then switch to off mode. If there is no music or sound for a couple minutes it will do the same. I leave mine on all the time.
Sorry, there was a problem. Please try again later.If you have the subwoofer in power saving mode. The subwoofer only engages when a base signal is detected. This normally is accompanied with a click...same when the subwoofer stops receiving a base signal. Flip the switch on the back to full power.
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