NVX SDBPRO20 PRO Ultra Thick Stealth Black Sound Deadening Material - 20 Sq Ft (5 Sheets, 18" x 32", 4.5mm Thick) - Vibration & Noise Reduction, Thermal Insulation for Car Audio & SPL Systems

Upgrade your car's audio system with the NVX SDBPRO20 PRO Ultra Thick Stealth Black sound deadening material. At 4.5mm thick, this ultra-dense material offers over twice the noise and vibration control of standard dampening materials. With five 18" x 32" sheets providing 20 square feet of coverage, it reduces up to 70% of unwanted noise, stops rattling, and minimizes distortion for clear, intense audio performance. Ideal for SPL competitors, this material is made from durable 100% Butyl Rubber, offering excellent long-term performance. The peel-and-stick aluminum backing ensures easy installation and allows it to conform to complex vehicle contours, making it perfect for doors, roofs, floors, and trunks. Improve your sound system, reduce cabin noise, and create a sealed, soundproof environment with NVX SDBPRO20 PRO Ultra Thick Stealth Black.

• Ultra Thick 4.5mm Sound Deadening – NVX SDBPRO20 PRO Ultra Thick Stealth Black material offers superior noise and vibration control, with a thickness more than twice that of standard sound deadening materials.
• Complete 20 Square Feet Coverage – Includes five 18" x 32" sheets, providing a total of 20 square feet of premium sound-dampening material to enhance your vehicle's interior acoustics.
• Up to 70% Noise Reduction – Significantly improves cabin noise levels, creating a quieter environment by reducing external noise and minimizing distortion from vibrations.
• Maximized SPL Output for Audiophiles – Designed for SPL competitors, this sound-dampening material reduces panel flex, minimizes distortion, and improves overall sound pressure for higher decibel levels and clearer audio performance.
• Easy Installation & Durability – Made from 100% Butyl Rubber for long-lasting performance and durability. Features a sturdy peel-and-stick aluminum backing that conforms to vehicle contours for quick, hassle-free installation.