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 Easy Installation: Stick these panels

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

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

More the surface area

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

light weight and safe construction

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 Easy Installation: Stick these panelsSIZE: 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