World’s first THX-Certified soundproof door joins THX-Certified QuietRock SUNNYVALE, CA — September 2, 2008 — Serious Materials today announced its new line of QuietHome soundproof doors. These new ...
Home theater junkies are now one step closer to a fully THX-certified home thanks to Serious Materials’ QuietHome soundproof doors, which joins the company’s QuietRock THX-certified drywall. The ...
THX Ltd., the leading provider of technologies, certification programs and quality assurance standards for the entertainment industry, and Quiet Solution, LLC, provider of award-winning soundproofing ...
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