Photo 6 of 8 from My custom built listening studio/office.

760 squares (hand cut by me!) of PolyDamp ADA viscoelastic damping material between the 2 layers of 5/8" drywall (http://www.polytechinc.com/products/damping.php).
Bass in my room is amazing, and I attribute part of it to the PolyDamp tiles.

Photo Added
12-14-2012, 11:52 AM
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My custom built listening studio/office.
Added by
Superdad