“Is this unit supposed to hum? Seems kind of excessive.”

1-4 of 4 Answers

• Not at all. It should be dead silent. Humming is what the unit prevents.

  Answered by Cntface 6 years ago

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• Mine is completely silent.

  Answered by Bill 6 years ago

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• It made my Xbox hum. When I used another power surge it stopped humming. It only did it to my Xbox, it didn’t do it to my other devices. P

  Answered by Bowers2f 6 years ago

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• Exchange unit as it should not hum.

  Answered by digitalphotog07 4 years ago

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