Introduction

Color: Black/white/silver gray

23X 23 X 0.9 cm Polyester Fiber Acoustic Panels - 12 Piece Pack High Density Acoustic Panels, Acoustic panels reduce echo reverberation, can be fixed acoustic panels for wall acoustic treatment.
Specification]: High density - 200kg/m3;Size - 23X 23 X 0.9 inches,12 pcs pack, Material: Polyester Fiber
Sound Quality Improvement]: These durable sound panels are able to absorb sound energy well and reduce reverberation, echo and mid-high frequency noise; Average absorption coefficient: 0.78; NRC (Noise Reduction Coefficient): 0.87 Multi-purpose] These acoustic panels are perfect for ceiling and wall sound treatment and decoration; ideal for recording studios, game rooms, home theaters, home studios, offices, sound booths, podcasts, YouTubers, etc.
Environmentally Friendly]: Odorless, non-toxic, formaldehyde-free, B1-class flame retardant, corrosion-resistant, aging-resistant, indoor-safe soundproofing tiles. Easy to install]: These acoustic panels are cuttable and easy to install.