SonoLite absorption panels are designed to reduce unwanted reflections and flutter echo in critical listening environments such as control rooms, live rooms and rehearsal spaces. These 2"x2"x1" panels will clean up the sound in your room, and are a cost-effective alternative to fiberglass cloth-covered panels. The core of each SonoLite panel is made of highly efficient absorbing acoustical foam, Studiofoam®Pro. This panel is then covered in a velour fabric to add a stylish appeal to accent the decor of any room. For an affordable yet tasteful way to improve the acoustics in any room, SonoLite absorption panels are the solution. Adhesive materials not included. Suggested materials for installation are: Velcro®, industrial strength double-stick tape, or 3M CommandTM Strips.Single 2"x2"x1" panel Reduces unwanted reflections and flutter echo Cost effective Highly efficient material Stylish design