Sound Deadening for Walls 2" X 12" X 12" Soundproof Sound Insulation Absorbing, 9 Blocks Design

3D ACOUSTIC DESIGN: Our 2 inches foam provides moderate sound control on walls or ceilings. Perfect for individuals to reduce and absorb unwanted echoes, waves, reverb, and flutter echoes. ENVIRONMENTAL PROTECTION: Made up of environmentally friendly polyurethane foam at 50/lbs per cubic yard, the acoustic panels not only have effective sound absorption characteristics but also will not cause any harm to our body. QUICKLY RECOVER TO NORMAL SIZE: Open the Vacuum package, put the foam panels in a ventilated place about 24-48 hours. Another method is soaking the foam in water for one minute then wringing the foam out of the water, then dry air it or use a hairdryer. You can also let them simmer under the sun as well! WIDE USE: Great for spot treating sound on walls in your studio or office - For use in recording studios, control rooms, Offices home studios, home entertainment theaters, Home Offices. Easy to shape and cut to size, altering won’t affect performance. AFTER SERVICE WARRANTY