Line Diffusers Panels - Set of 18 | 1 Sqft, 2" Thick | 50 Density | Premium Grade | 3D Structure Broadband Sound Absorber - Periodic Groove Structure | 9 RED, 9 BLACK Pyramid Panels BETTER ABSORBPTION: Wedge 2 inch

BETTER ABSORBPTION: Wedge 2 inch Foam panels are best for echo reduction

Easy Installation: Stick these panels effortlessly with options like Fevicol SR505

The groves of Turbo acoustic foam trap any reflective sound which tries to escape

NRC is Noise Reduction coefficient means it will absorb 90% sound it encounters

Line Diffusers Panels - Set of 18 | 1 Sqft, 2" Thick | 50 Density | Premium Grade | 3D Structure Broadband Sound Absorber - Periodic Groove Structure | 9 RED, 9 BLACK Pyramid Panels BETTER ABSORBPTION: Wedge 2 inchSIZE: 12'' X 12'' X 2'' DENSITY : 50kg M3 MATERIAL: Polyurethane REMARKABLE ACOUSTIC PERFORMANCE: Innovative Periodic Groove Structure for Much Better Broadband Absorption Ability High NRC: 0. 75 MULTIPURPOSE: Reverb Control Echo & Standing Wave Cancellation Clarity Improving Noise Reduction , etc. Perfect for recording studio, isolation shield, home theater, office, etc YGM Acoustic Line Diffusers are the great solution for small flutter echo problem