Trying to troubleshoot hum and buzz noises in a home theater system may seem difficult, but there are some basic steps to follow to simplify the task. The first thing to try while the whole system is turned on is to disconnect the cable TV line at the cable box. If the noise is gone, then install our model VRD-1FF™ and you are done! If still noisy with the cable out, then disconnect the audio cable at the subwoofer input. Quiet now? Use our model SUB-1RR™ between your subwoofer and receiver.

Remember, never fix a ground loop noise problem by using a cheater plug or breaking off the third pin on the power cord. You put your company at great liability, and your customer at an even greater physical risk. Using an Iso-Max instead is the safe and smart choice!

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