High Quality 3D Decorate Acoustic Panel

3D Design Acoustic Panel   3D sound absorbing felt is a kind of Eco-friendly material with stereo effect, which is widely used in audio equipment, sound room, recording studio, film and television theater, conference room, office and other places. 3D sound absorbing felt can be used for decoration and sound absorbing treatment of walls, ceilings and floors, which can effectively reduce noise, echo and reverb, providing a better recording and playing environment. product specification size 400*400mm,500*500mm or OEM size Material 100% polyester fiber(PET) Density 1200g/M²-3500M/²,all available Flame Retarant ASTM E84 CLASS A, EN13501 CLASS B Certificate…