sound deadening wall covering

Durable Sound Deadening Wall Covering / Theater Acoustic Panels Free Sample Polyester fiber material has various densities and good air permeability, and is an ideal product in sound absorbing and heat insulating materials. The highest sound absorption coefficient is above 0.8 in the noise range of 125~4000HZ. Used as indoor sound absorbing material, it can effectively shorten the reverberation time, absorb excess reverberation sound, improve hearing adjustment, and improve