Focus0307N 12pack6 Slot 2-inch Sound Absorbing Foam and the sound absorption effect

and the sound absorption effect is better than other shapes of surfaces

Acoustic Optimization: Reduces echoes and noise while enhancing sound quality using specialized foam (ideal for home theaters

and control rooms

sound absorption and reverberation reduction

Focus0307N 12pack6 Slot 2-inch Sound Absorbing Foam and the sound absorption effectWithout Damaging Your Wall: Our acoustic foam panles are equipped with 60 PCS double side adhesive tape which can be easily washed. It is easily removable and will not damage your walls or surfaces, tear off without leaving any traces. Noise Reduction: Overall Noise Reduction Coefficient (NRC): 0. 65. The wedge surface of 6 grooves increases the contact area with sound waves, and the sound absorption effect is better than other shapes of surfaces.