This product is best for when absolute sound deadening is not required, but moderate deadening is desired. Specially designed, opened cell, in a convoluted "egg crate" pattern. Helps to reduce muddy bass and cleans up the midrange by absorbing internal standing waves. You will be amazed at what acoustic foam can do for your sound system, small recording room or studio. 2.5" Convoluted Foam is most effective on mid-to-high frequency ranges. These Wall Panels provides strong noise reduction, Good for studios, recording studios, vocal booths, control rooms. acoustical foam is a cost-effective. Our foam can be aligned perfectly with the next piece to provide professional installation. Anywhere to help block sound and prevent echoes inside the room.