Ive Always had a resonance issue since living here on ceramic tiles. Never had it in the small room that was heavily carpeted. As you all know I have 4 11” subs 2 in a box for each side. And when I crank that volume up so I can feel the music I get this resonating vibration like something is rattling loose. Everytime I move those Boxes that the 2X 11” Eton drivers the resonance disappeared for a little while and then it reappear. I could never play music loud.
I bought these vibra