Pro Studio Acoustics 12"x12"x1" acoustic wedge foam tiles are the perfect solution for acoustically treating home studios, listening rooms, recording studios, control rooms, home theaters, and more. They provide professional results for anyone looking to more accurately control the sound environment of a room. Pro Studio Acoustics foam is specifically formulated with extra additives for acoustical sound absorption applications. Each piece of acoustic foam is precision machine cut to ensure straight edges and uniform sizes. Unlike other brands, our acoustic foam is proudly made in the U.S.A. Each piece of acoustic foam can be installed in an alternating pattern creating both stunning visual design and outstanding acoustics. Total coverage area is 12 square feet. Overall NRC is 0.40. Fire retardant ASTM E84 Class A.