2" Acoustic Wedges are the most popular and versatile piece of acoustic control equipment available on the market today. 2" Acoustic Wedges are ideally utilized in a vocal booth as well as in small recording rooms or studios. When correctly placed throughout the room, 2" Acoustic Wedges will offer high quality and mid-frequency sound absorption. Acoustic wedges are the most popular and versatile piece of acoustic control equipment. Comes with 12 charcoal acoustic panels (12"x12"x2") that covers a total of 12 sq feet.