I didn't go to that extreme and I have no issues with 3 subs or extremely loud explosions. Just regular drywall with regular one-sided paper insulation in ceiling above drywall. The only time I get vibrations is when the kids are jumping around upstairs which I nip in the butt real fast..

M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
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