Automotive Solution (door kit)

Automotive Solution (door kit)Boyin door kit sound deadener are mounted on s very flimsy sheet metal door panel,and the metal sheet will be vibrating while there is a sound impact. on the other hand, the flimsy metal door panel will vibrate while driving on an uneven road. these vibrations create resonance noise in the door. to reduce the noise,you must strengthen the door,just as the sound box of the home audio, you shall strengthen the door to be a "sound box"!Boyin Door kit is a elastomeric butyl and aluminum constrained-layer vibrational damper. it conforms and fuses easily to sheet metal and makes the flimsy door with holes to a sealed solid non-resonant sound box. with a new excellent sound box, you can enjoy the pure and quality music of your speakers! our products in the process of installation and use is not easy ageing ,not breakage Our products will only compliment your daily car experience from your car sound system sounding better and having less road to complete with to a cooler ride with our thermal products insulation