This is a powerful sub that is not magnetically shielded, if I recall correctly. Would this not be a possibility? I had to move mine away from my CRT rear projection because I could see the picture kind of moving/distorting during heavy beats and effects.
It cured it when I moved it over into the corner but left it plugged into the same outlet. I still couldn't win. I then thought my IR Blaster was broken for my remote as button presses were not working. When I went to check the blaster, the red signal light was flashing like crazy and got brighter with sub beats. Looked cool but not so functional. I had to move it two shelves up on my equipment rack.
Of course, it could probably be all or any of these things perhaps.
I'm Riffing. People usually stop me when I'm riffing. Or carry on without me. That's also an option.