Set of 4 - Acoustic Foam Acoustic Studio Soundproofing Corner Wall 12" X 12" X 24" - Color: Charcoal;

Bass Traps Wedges are low frequency sound waves dampeners which minimize the low frequency noise of you room. Low frequency sound waves are extremely hard to control and minimize as they are extremely long. With the actual dimensional size of 12" (base) x 12" (height) x 24" (length) & 12" (base) x 12" (height) x 12" (length). The Bass Trap Wedges also has flat surfaces which make it easy to place them side by side with other bass traps.You can also place arrange them together with the Corner Blocs, Corner Bass Traps 3" x 24", and other acoustic wedges.