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Just when you thought nothing else on this planet could ever earn THX certification, here comes Serious Materials to prove you wrong. The image you are inevitably peering at above is the world's first THX-certified soundproof door, the QuietHome. Boasting an STC rating of 51 in a 2.25-inch thick do

6 years ago 0 Comments
September 3, 2008 at 3:50AM