Line Diffusers Panels - Set of 72 | 1 Sqft, 2" Thick | 50 Density | Premium Grade | 3D Structure Broadband Sound Absorber - Periodic Groove Structure | 36 BLUE, 36 BLACK HEXAGON Easy to Install: Both general

Easy to Install: Both general purpose spray adhesive & Fevicol SR work

and temporary or permanent acoustic treatment setups

92 providing clearer

STC > 35 DB certified by ARAI

Line Diffusers Panels - Set of 72 | 1 Sqft, 2" Thick | 50 Density | Premium Grade | 3D Structure Broadband Sound Absorber - Periodic Groove Structure | 36 BLUE, 36 BLACK HEXAGON Easy to Install: Both generalSIZE: 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