Features Effective Noise Reduction The acoustic foam can effectively reduce noise pollution and eliminate echoes and background noise by absorbing sound. HIGH PERFORMANCE The acoustic foam panels can absorb sound at any frequency, ideal for recording or listening environments. Wide application: can be widely used for recording studios, offices, rehearsal rooms, home theaters, game rooms, etc., to enhance the sound effects. Easy Installation The acoustic foam panel is made of high-quality polyurethane material, has a high density and is easy to install on the wall. 10 Pieces in Set:The set includes 10 pieces sound absorbing foam for use, which is designed in pyramid shape and has better sound reduction ability. Specification: Item Type: Pyramid Acoustic Foam Material: polyurethane Use: recording studio, drum room, office, factory Basic parameters: Size: approx. 30 x 30 x 5 cm. Package list: 10 x pyramid acoustic foam. Package List 10 x Pyramid Acoustic Foam