听起来隔离墙Dhyana超过三明治

The Dhyana Super Sandwichs material is a four-part composite consisting of 1/8 inch layer of neoprene, 15 mils of acoustic lead barrier, 1/4 inch layer of high efficiency acoustic foam and a 3 mil urethane top facing. With four unique acoustic structures, it canefficiently reduce the low frequency greatly and isolate the vibration from the road and the engine.It is the best sound barrier you can find to reduce the low frequency noise in the car. We can do OEM for you!