Feature: 1. Sound Absorbing: The acoustic foam can effectively reduce noise pollution, eliminating echoes and background sound by absorbing sound. 2. Effective Noise Reduction: The sound absorbing foam can absorb sound at any frequency, ideal for recording or listening environments. 3. Pyramid Design: The pyramid acoustic foam is scientifically designed in pyramid shape, provide better noise reduction effect. 4. High Density Material: The sound proof foam panel is made by quality polyurethane material, which has high density, and easy to install on the wall. 5. Multi Purpose: The acoustic foam can be widely used for recording studio, office, 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.50x50x10cm/19.7x19.7x3.9in. Package List: 1 x Pyramid Acoustic Foam