The MesaMat MDMDK Sound Dampening Door Kit is designed to reduce unwanted road noise, vibrations, and panel rattles for a cleaner, more powerful audio experience. Perfect for car audio upgrades, this damping material helps improve speaker performance by minimizing resonance and creating a more solid acoustic environment inside your vehicle doors. The MDMDK kit includes 12 square feet of premium sound damping material with six 12" x 24" sheets, making it ideal for treating front and rear doors in most vehicles. Easy to cut and apply, this kit is a great solution for reducing vibrations caused by aftermarket speakers, subwoofers, and everyday road noise. Features: 12 sq. ft. total coverage Includes (6) 12" x 24" sheets Helps reduce rattles and vibrations Improves overall sound quality and bass response Great for door panel applications Easy peel-and-stick installation Ideal for car audio systems and speaker upgrades