Gary I'll echo that one. I play a venue where they have me set up near the kitchen doors. The dish washer is right behind the wall I'm set up next too. The Bose picks up on the hum from the dishwasher. When the kitchen doors are open, it's really bad. I have to back down the lower frequencies to next to nothing to compensate. Next time there I'll see if I can set up someplace else.

Joe

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Songman55
Joe Ayala