Sound Absorption/Deadener

Your vehicle can be a loud place, engine noise, alt whine, rattling and road noise.  This can disturb or even ruin your audio experience and if you plan on completing in any kind of sound quality competition, Deadener is a must. 

***PLEASE NOTE*** All information on this site is for entertainment processes.  Any guidelines, tips or recommendations are considered general knowledge and we strongly encourage you to consult with a professional before installing, adjusting, or altering a car audio system.

When sound waves travel and collide with say, a door panel, the energy from that sound is transmitted, reflected and absorbed.  In addition to that, vibration from the speakers themselves can rattle your panels and trunk of your vehicle. Having a higher density material, such as deadener, will reflect the sound wave back towards the listener creating a cleaner and crisper sound as well as absorbing and reflecting sound waves from outside the vehicle.

Deadener will help absorb the sound waves from outside interference, reduce speaker resonance, and help keep pressure in by reinforcing your vehicle against flex.  Keep in mind deadener will add weight.  This should be factored in with other heavy equipment such as batteries and get your suspension upgraded accordingly. Apply Deadener to your door panels, hood, trunk and interior panels, directly against the metal as flush as possible so any panel covers or accessories will fit back on after installing.  

Installing Sound and Heat Insulation

  Find the right balance between quality and budget.  Buying products that are cheap and not quality could result in replacement and expenses in the future.  Best Practice is to start right and not have to do anything twice.

Soundproofing is any means of reducing the sound pressure with respect to a specified sound source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles, or using active antinoise sound generators.There are 5 elements in sound reduction (Absorption, Damping, Decoupling, Distance and Mass) The “Absorption” aspect in soundproofing should not be confused with Sound Absorbing Panels used in acoustic treatments.

“Absorption” in this sense only refers to reducing a resonating frequency in a cavity by installing insulation between walls, ceilings or floors. Acoustic Panels can play a role in a treatment only after walls or ceilings have been soundproofed, reducing the amplified reflection in the source room.Two distinct soundproofing problems may need to be considered when designing acoustic treatments—to improve the sound within a room (see reverberation), and reduce sound leakage to/from adjacent rooms or outdoors (see sound transmission class and sound reduction index). Acoustic quieting and noise control can be used to limit unwanted noise. Soundproofing can suppress unwanted indirect sound waves such as reflections that cause echoes and resonances that cause reverberation. Soundproofing can reduce the transmission of unwanted direct sound waves from the source to an involuntary listener through the use of distance and intervening objects in the sound path.

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