Features 10 Pieces in Set: The set includes 10 pieces sound absorbing foam for you to use, designed in pyramid shape, has better sound reducing ability. High Performance: The acoustic foam panels can absorb sound at any frequency, ideal for recording or listening environments. Effective Noise Reduction: The acoustic foam can effectively reduce noise pollution, eliminating echoes and background sound by absorbing sound. Easy Installation: The acoustic foam panel is made of quality polyurethane material, has high density, easy to install on the wall. Wide Usage: Can be widely used for recording studio, office, rehearsal space, home theaters, game rooms, etc. to improve sound effects. Specification: Item Type: Pyramid Acoustic Foam Material: Polyurethane Usage: Recording studio, drum room, office, factory Basic Parameter: Size: Approx.30x30x5cm/11.8x11.8x2in Package List:10 x Pyramid Acoustic Foam Package List 10 x Pyramid Acoustic Foam