With its revolutionary design, Groove Acoustic Foam is truly effective when applied in any type of space. A scientific combination of material, absorption surface and cavity thickness means that the panel’s absorption performance is extremely efficient in the treatment of 1st reflections and further absorption. Groove offers you the best performance on medium and high frequencies commonly applied in particularly demanding rooms such as recording studios & home theatres, the panel provides one of the best acoustic solutions on the market, at an attractive price. It also has a unique characteristic when placed in a sequence the panel junctions become undetectable, allowing you to hide cables in the cavities. Key Features: For walls, Ceilings, Doors and Windows Diffusers sound Absorbs Sound CNC Precise Cut For Audiophiles & Forensic NRC > 0.90 Shelf life > 7 Years STC > 27 Can be stuck on any surface