50*50*5cm Acoustic Soundproof Sound Stop Absorption Pyramid Studio Foam Sponge Black L4B

Specifications: Material: high quality sponge Size: 50x50x4cm (thickness) Colour: Black Environmental Factors: environmental protection E1 grade (does not contain formaldehyde, toluene) ? Features: - Entertainment Noise:? KTV, dance halls, recording studios, listening rooms, audio-visual room, piano room, theater, studio radio and television stations, stadiums, exhibition halls and other sound insulation; - Room Noise Reduction Equipment:? Cabin, cabin acoustic insulation and other equipment, room noise pumping stations, cold storage thermostat; - Can be used in conjunction with soundproof rooms, soundproof doors, acoustic enclosures and other noise reduction equipment; - Home Office Noise:? Walls, ceilings, roofs, partitions, conference rooms and other sound-absorbing insulation. ? Package Included: 1 Pcs x Studio Foam