Auralex Elite SonoFlat 1x1 Foot Absorption Panel (Purple, Box of 14)SonoFlat Panels are now available in two size options: 1' x 1' x 2" or 2' x 2' x 2" panels. Made of industry leading Studiofoam, these panels offer great absorption of mid to high frequencies. The edges are beveled, contributing to an elegant look not normally associated with acoustic foam. The panels can be installed easily and arranged in a multitude of attractive patterns. SonoFlats are equally at home in a recording studio or a home theater,