Audio Technica AT-AQ409 Door Tuning Kit Plus Deadening Kit for 2 Doors Vibration Control Soundproofing Sound Absorption No Special Tools Required Special Spatula Included

Three-layer vibration damping/sound absorbing material and aluminum glass cloth tape reduce unnecessary noise from outside. Includes 4 types of soundproofing materials to eliminate gaps between the inner panel and door trim. Includes sound-absorbing material to suppress unwanted sound reflections from the speakers. Adopts virgin butyl rubber with a high specific gravity of 1.8, which is easy to use. It has high adhesion and ability to follow irregularities, and does not require specialized tools during installation.