subwoofer hum (1 Viewer)

[Dwayne89]

hi i have a subwoofer in a home theater.it hums realy load. and gits louder when you turn the gain or crossover knobs. Anybody have any idea. any help will be grate thank you. ahead of time.

 

[MarkMel]

It hums because it doesn't know the words.

 

[Stephen PI]

hi i have a subwoofer in a home theater.it hums realy load. and gits louder when you turn the gain or crossover knobs. Anybody have any idea. any help will be grate thank you. ahead of time.

I had a similar issue recently and I lifted the ground pin from the ac plug, with a two pin adapter, and it solved the problem.