Product Description
The Deaf Bonce 4.0 Sound Deadening Material from the Apocalypse series is an ultra-heavy-duty vibration damping solution designed for high-SPL competition builds and extreme car audio installations. Formulated with a 4.0 mm thick polymer-enhanced bitumen layer and a durable aluminum protective coating, this sound deadening sheet provides maximum panel rigidity, eliminating structural flex and energy loss under heavy bass pressure.
By dampening panel resonance and blocking external road noise, Deaf Bonce 4.0 creates an optimal acoustic environment for maximum speaker performance. It features exceptional adhesion properties, high thermal resistance, and a non-toxic, odorless formula that is completely safe for interior cabin applications.
Key Features
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Maximum Vibration Suppression: Premium 4.0 mm thickness provides extreme mass loading to eliminate panel rattle and structural resonance.
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SPL Competition Ready: Built to withstand intense sound pressure levels without debonding or flexing.
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Heavy-Duty Composite Construction: Polymer-enriched bitumen core with a protective aluminum foil face for maximum acoustic attenuation and heat resistance.
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Superior Noise Isolation: Dramatically reduces road noise, tire hum, and chassis vibrations for improved clarity and deeper bass response.
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Safe & Odorless: Non-toxic formula designed for long-lasting performance inside automotive cabins without gas emissions or unpleasant odors.
Specifications
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Model: 4.0
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Series: Apocalypse
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Type: Sound deadening / Vibration damping
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Thickness: 4.0 mm
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Material Base: Bitumen composition with aluminum surface coating
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Processing Areas: Doors, floor, luggage compartment floor, wheel arches, and roof
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