Audio engineers, music enthusiasts, podcasters, and broadcasters looking to mitigate unwanted room reflections, noise, and echo will be impressed with the Gator Frameworks Acoustic Foam Pyramid Panel 4-Pack, a 4-pack of 2" thick, 12x12" charcoal acoustic treatment panels well suited for recording and listening spaces, podcasting, streaming, home studios, drum rooms, control rooms, vocal booths, and rehearsal spaces.