48 Pack (12x12x2)" Wedge Foam Acoustic Panel for Soundproofing Studio/Home Theater

48 Pack of (12x12x2) Inch Acoustical Wedge Foam for Soundproofing Studio/Home Theater Model 48W-12x12x2 2 inch wedge foam is effective against standing waves and flutter echoes in most small-to-medium sized rooms like vocal booths, control rooms and studios. It also functions as a full frequency bandwidth absorber for any size room when used in conjunction with corner bass absorbers and male/female broadband absorbers.  The 48 packs of wedge foam are available in the following colors:  Charcoal, Red, Orange, Rosy Beige, Brown, Burgundy, Blue, Purple, Plum, Teal, Kelly Green, and Forest Green. Specifications Quantity = 48 Pieces Size = (12 x 12) Inch Thickness = 2 Inch Overall NRC: 0.65 Flammability Test Results Class A 25 Flame Spread Index 250 Smoke Spread Index The overall NRC rating is the calculated average of frequencies 250Hz, 500Hz, 1000Hz and 2000Hz. > 125 Hz 250 Hz 500 Hz 1000 Hz 2000 Hz 4000 Hz Overall 1" Wedge 0.14 0.17 0.36 0.47 0.51