I have an 06 Mobius LSV with 4 speaker light bar combo. When the sterio is on and I adjust the wake plate, it causes a popping noise from the tower speakers. Only seems to affect the tower speakers and not the others. I mentioned it to my dealer and he said they had a boat last year that did the same thing and he told that boat owner to set the wake plate where they wanted and leave it alone. I find that unaccetable as wakeplate adjustment is often necessary. I was just wondering if anyone else has had similar problems and what you may have done to fix it. To me, it sounds like a ground issue but I'm not sure where to start looking.