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NVX SDBDK12 Premium Stealth Black

91 mil 12 sq ft 4-Door Car Sound Deadening Kit (Four 12" x 36" Sheets)

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• 12 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Front and Rear Door
• Pack includes four 12" x 36" sheets

Learn more about the sdbdk12
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Universal – fits most vehicles.

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List price $53.99
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$49.99

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NVX - Worth the Envy - Direct to Consumer Car Audio

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Product Highlights


• 12 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091 (2.3 mm)
• Install Location: Front and Rear Door
• Pack includes four 12" x 36" sheets

Description


NVX brand icon

Authorized dealer

Sound Deadening 12 By 36 Inch Pieces
Increases Sound Quality No Filler Easy Installation
Butyl Rubber And Aluminum Foil

Product Details:

  • 12 square feet sound deadening kit
  • Solid black design for any stealth car audio installation
  • Core is based with 100% pure butyl rubber to withstand extreme heat
  • No asphalt, tar, or cheap fillers - will not outgas, melt or fall off
  • Waterproof barrier protects against moisture damage and mechanical oils
  • Up to 30% thicker than cheap 50–80 mil alternatives
  • Flexible aluminum backing contours tightly to complex door panels and vehicle curves with ease
  • Structural damping kills unwanted sheet metal resonance caused by heavy mid bass
  • Seals the door cavity to drastically increase speaker bass response and clarity
  • Lowers cabin ambient noise so you hear your music instead of the highway
  • Reflects radiant heat to help keep your vehicle interior cooler
  • Simple three step peel and stick installation process makes upgrading your sound quick
  • Combine this kit with NVX SDRLR1 Rubber Roller for easy installation
  • Pack includes four 12" x 36" sheets
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Specifications:

  • Install Location: Front and Rear Door
  • Material Thickness: 0.091 (2.3 mm)
  • Amount of Material: 12 square feet
  • Material Use: Vibration Dampener
  • Optimal Performance Temperature: 14°F to 140°F
  • Rated Temperature Range: -75°F to 450°F
  • Application Temperature: 60°F to 90°F
  • Dimensions (each piece): 12"L x 36"W

Frequently Asked Questions (FAQ)


Heat and gravity are tough on doors. Clean the metal with denatured alcohol first to remove grease. Use an NVX SDRLR1 roller to firmly bond the 90mil butyl to the surface, ensuring no air bubbles remain.
Noise bleeds through gaps. Ensure the NVX SDBDK12 covers as much of the inner metal skin as possible. For maximum silence, add a layer of NVX BFK12 closed-cell foam over the damping mat to block airborne sound.
It isn’t mandatory, but it helps the 90mil material conform to the door's complex curves. If the weather is cold, warming the NVX SDSK2 or SDBDK12 sheets makes the adhesive much more aggressive for a permanent bond.
This happens if the mat is too close to the window track. Trim the edges back with an NVX utility knife. Always "dry fit" and test your window clearance before fully rolling the material down with your NVX roller.
One kit covers two standard doors. If you have high-output midbass, you may need extra mass. We recommend adding a second layer of NVX SDSK2 directly behind the speaker magnet to kill back-wave distortion.

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Specifications & Details


Sound Damping Specifications
Installation Location
Front and Rear Door
Material Thickness
0.091
Total Amount of Material
12 square feet
Material Use
Vibration Dampener
Secondary Use
Sound Barrier
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

NVX

Model Number:

SDBDK12

Weight:

11.00lbs

Internal SKU:

sdbdk12

Internal Product ID:

133807

Product and How-to Videos


  • Eliminate Shakes & Rattles in Your Vehicle With NVX Stealth Black Sound Deadening Material
  • How To Install Sound Damping in a Car | NVX Audio & Mitsubishi Evo 9
  • NVX Audio Sound Dampening | Test & Installation Demo

Customer Ratings & Reviews


NVX SDBDK12 Premium Stealth Black thumbnail image

5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

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Bang for Buck

Its pretty good sound deadener and it includes enough to do your doors. My door went from sounding hollow to solid. It definitely made a difference in the sound quality.

By kumar on December 14, 2022 Checkmark Icon Verified purchase

36 found this helpful


By Scott on September 26, 2022 Checkmark Icon Verified purchase

36 found this helpful


Wonderful

I used this in my doors and trunk. I tried other sound deadening products from Amazon that were trash compared to NVX. Easy to cut, easy to place, stays in place, and is thicker than the competition.

By Roger on January 25, 2021 Checkmark Icon Verified purchase

37 found this helpful


Pliable and sticky even in cooler condittions

I like it! it was in the closet and I took it to the garage it was 45º this stuff still conformed to the curves and stuck like crazy even in the cold!
Love the color I was using another brand (silver) and where the seat doesn't cover its highly visible black makes it blend in with my black truck.
looks nice and deadens like it should!

By TOYZ on January 13, 2021 Checkmark Icon Verified purchase

37 found this helpful


Good value.better than name brands.

I bought this after using the chrome version of this. I liked that it was black and had a “better look” than the chrome one. Even do it says it’s the same thickness as the chrome one it feels thinner but the same thickness as the stinger roadkill. I did find that it was easier to work with than the other nvx version and stinger. It is still a good value and has hold up since 2017 in the Northern California weather. If I had too choose between the nvx chrome one and this black version I would go for this one if looks was a concern other wise the chrome version is a better value.

By Alex on November 1, 2023 Checkmark Icon Verified purchase

28 found this helpful


Nvx one of best brands in the market ????

By Gerardo on August 8, 2024 Checkmark Icon Verified purchase

5 found this helpful


By Kris on June 26, 2024 Checkmark Icon Verified purchase

4 found this helpful




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