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NVX SDVK4 - 90mil 2.3mm THICK

Versa Kit - 4 Square Feet of Sound Dampening Material (One 18" x 32" Piece)

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NVX SDVK4 - 90mil 2.3mm THICK

Versa Kit - 4 Square Feet of Sound Dampening Material (One 18" x 32" Piece)

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Add a 4 Sqare Ft Sound Deadening Kit and get 10% Off!

For a limited time, save 10% on an NVX SDVK4 Sound Deadening Kit by clicking "Add both to cart" button on select speakers! This offer cannot be combined with any other coupons or offers.

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Add a 4 Sqare Ft Sound Deadening Kit and get 50% Off!

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Add a 4 Sqare Ft Sound Deadening Kit and get 50% Off!

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Add a 4 Sqare Ft Sound Deadening Kit and get 50% Off!

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Free Off Sound Dampening Kit with Your Purchase

For a limited time, get a free set of NVX SDVK4 Sound dampening with a qualifying purchase! Sound deadening will eliminate rattles and improve the sound and output of your system! This offer cannot be combined with any other coupons or offers.

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FREE Gift: Sound Dampening!

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For a limited time, save 10% off the NVX SDVK4 Versa Kit with a qualifying pair of speakers! Sound dampening will eliminate rattles, insulate against heat, and also improve the sound and output of your speakers! This offer cannot be combined with any other coupons or offers.

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20% off on Sound Dampening!

For a limited time, save 20% off the NVX SDVK4 Versa Kit with a qualifying pair of speakers! Sound dampening will eliminate rattles, insulate against heat, and also improve the sound and output of your speakers!

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20% off on Sound Dampening!

For a limited time, save 20% off the NVX SDVK4 Versa Kit with a qualifying pair of speakers! Sound dampening will eliminate rattles, insulate against heat, and also improve the sound and output of your speakers!

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For a limited time, save 20% off the NVX SDVK4 Versa Kit with a qualifying pair of speakers! Sound dampening will eliminate rattles, insulate against heat, and also improve the sound and output of your speakers!

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25% off Roller Tool with Purchase of Select Sound Damping!

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NVX SDRLR1 Sound Dampening Rubber Roller

• Universal Heavy Duty Roller Tool for Installing Sound Damping from NVX, Dynamat, and others
• Thick Plated Steel Frame
• 2" Solid Rubber Roller

(Offer 1 of 44)

Combined Total Price

$115.94

You Save $2.00

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Benefits of Sound Damping

Sound dampening material is key to reducing the rattles and shakes in your car. It effectively reduces the amount of road noise that is let in through the thin panels of your vehicle. It also lessens vibrations that are created by playing music through your speakers. It works by adding weight to the desired panel, which lowers the resonating frequency. You will notice by adding this material to your car, your sound system will likely get noticeably louder. If you have subwoofers, this is the perfect kit for your vehicle.

Thicker Than the Competition

NVX is one of the world's leading manufacturers of sound dampening material, and is up to 30% thicker than the other brands. Don't pay ridiculous amounts of money to kill those rattles, when you can get everything you need from NVX for a fraction of the price. With the SDVK4 dampening material, you will notice a higher quality sound from your system as well as a drastic reduction of road noise. With 4 square feet of material, you will have enough to cover all of those problem areas that have been bothering you for so long!

Product Features

  • One 18" x 32" Piece of Sound Dampening Material
    • 90.55mil thick (2.3mm)! There are cheaper, inferior solutions at 50-80mil, but we do not recommend that thin of a solution as it will not perform as well.
  • 4 Square feet total
  • Made from 100% Butyl Rubber
  • Eliminates road noise
  • Quiets vibrations
  • Increases sound quality and output of car audio system
  • Stops rattles
  • Increases SPL
  • Reduces heat
  • Easy to form aluminum conforms to desired area of vehicle with ease
  • Four step peel and stick design for easy installation
  • Up to 30% thicker than the leading competitors
  • Dimensions: 18"L x 32"W
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty
Amount
4 ft.2
4 ft.2
4 ft.2
4 ft.2
4 ft.2
Application
Universal
Universal
Universal
Universal
Universal
Thickness
1.7 mm (67mil)
2.0 mm (78.75mil)
2.3 mm (90.55mil)
2.1 mm (82.68mil)
2.2 mm (86.61mil)

Sound Dampening Specifications

Installation Location
This is the area of the car that the sound dampening kit is designed to be installed.
Entire Car
Material Thickness
This is the thickness of the material, measured in inches.
0.091
Total Amount of Material
This is the total amount of material that is included in the package. It is measured in square feet. On packages that include several smaller pieces, this number combines all the pieces together.
4 square feet
Material Use
Use of material whether it be used for heat protection, sound absorption or decrease in vibration.
Vibration Dampener
Secondary Use
This is the secondary use of the product. Many products that block road noise can also serve as an effective heat barrier, and vice versa.

Promotions

Promotions
Promotions we have offer More Ways to Shop for items that are on clearance, last chance, special offer and sales, Made in America, and more!

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
87%
4 Star
10%
3 Star
3%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.9
Value
4.9
Features
4.8
Design
4.7
Usability
4.9
Jared

Birmingham, AL

Overall
Durability
Value
Features
Design
Usability
Everybit as good as the more well known products

February 8, 2014

This came free with a bundled purchase,.. and I also purchased some Rattletrap Extreme as this wasn't enough for the car. I was expecting this to be mostly unusable due to the Name.

I was wrong.. it was every bit as good in thickness and adhesion as the more expensive brand I had bought. So if you can get this cheaper than other Sound material,.. go for it.

84 of 100 found this helpful

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Smuck

Des Moines, IA

Overall
Durability
Value
Features
Design
Usability
NVX SDVK4

January 9, 2014

Works great at a great price. I have it under my trunk lid and it keeps it from rattling too bad.

84 of 100 found this helpful

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hassan

new york

Overall
Durability
Value
Features
Design
Usability
awesome

October 21, 2014

simply amazing before i installed it i could not hear a clean bass at all by trunk was rattling so much but now my trunk is solid and i'm enjoying the bass it's cheap and awesome NVX for the win

77 of 91 found this helpful

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OMAR

stone mountain, GA

Overall
Durability
Value
Features
Design
Usability
NVX better than the Rest

July 6, 2014

Great price, great quality. Plus delievery came fast. Will buy again for rear door.

78 of 94 found this helpful

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Adrien

Incline Village, NV

Overall
Durability
Value
Features
Design
Usability
Good product, not the easiest

November 10, 2014

Used a few sqft of this material, along with the equivalent from Streetwires (PartsExpress) and a ton of Peal 'n Seal (Lowe's) for the rest.

I would say that Peal 'n Seal was the easiest to apply, but also the thinnest (an cheapest). So if you are doing some serious job you may want to double or triple the layers.

The NVX material was the thicker of the three I used, and once it's glued it stays soft which is very good. But beware, you will never get it off again. The only thing I would reproach is that the aluminum is quite thick, which makes it hard sometimes to comply with shapes. But it is good to fill in big gaps or openings and add some rigidity.

My preferred material is the Streetwire stuff, which is a bit cheaper. It was thick enough and compliant enough to make it really easy to install and it sticks like crazy while being forgivable if you make a mistake.

Have fun!!!

76 of 91 found this helpful

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REED

PLAINFIELD, CONNECTICUT

Overall
Durability
Value
Features
Design
Usability
NVX SDVK4

September 2, 2013

I USED THIS PRODUCT TO INSULATE THE SHEETMENT AT THE KICKPANELS AND THE FLOOR AREA BEHIND MY REAR SEAT IN MY1972 VW SUPER BEETLE. THIS PRODUCT WORKED OUT GREAT FOR ME, NO VIBRATION, REALLY QUIETED THE ROAD NOISE ALSO. OVERALL A GREAT PRODUCT.

75 of 91 found this helpful

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Joseph

tulsa, OK

Overall
Durability
Value
Features
Design
Usability
awesome

March 14, 2014

this is the best stuff for the best price now

75 of 92 found this helpful

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JBlanch

Canada

Overall
Durability
Value
Features
Design
Usability
Great product!

January 28, 2013

This is the first sound dampening material that I've used so far and I have to say that I am quite impressed with the product. I used it to reduce the vibrations generated from my sub at the back of my car. Since then, sound quality has improved considerably. For the price, I strongly recommend this product.

71 of 84 found this helpful

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Timothy

Theodore, AL

Overall
Durability
Value
Features
Design
Usability
works great

April 25, 2014

Less weight than other sound proofing I have used, cuts easy and with a hair dryer it will mold to any contour .

73 of 89 found this helpful

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Jason

Murfreesbori, TN

Overall
Durability
Value
Features
Design
Usability
Didn't see a difference for my car.

September 1, 2013

I'm sure this may have different results for different cars. I simply bought this dampening kit to fix the rattle and keep in the sound. I'll give my list of pros and cons. I own a 2000 Honda Civic.
Pros: Installation is very easy. Simply peel and apply. It's recommended to have a roller to get in the cracks (which this kit does not come with). This kit does keep in sound. Outside the car you can barely hear the audio (in terms of actual music, not bass).
Cons: This con is pretty much based on the vehicle I have. The mat did not fix my rattling problem. I placed it everywhere possible in my trunk and I still had constant rattling. Really a disappointment when that's the main reason I bought the mat for.

67 of 79 found this helpful

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DonnieE

Santa Clarita, CA

Overall
Durability
Value
Features
Design
Usability
Perfect kit foe speaker installs or a single door.

December 5, 2012

This deadener works wonders for vibration and outside noise. It is thicker than Dynamat and will eliminate that horrible resonance caused by lower frequency notes transferred through sheet metal and rattles in plastic. It also improves sound quality and SPL.

69 of 83 found this helpful

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Dave

Northern California

Overall
Durability
Value
Features
Design
Usability
Good stuff

September 17, 2013

This dampener does what it's supposed to do. Didn't get to use it how I wanted to, but that's nobody's fault but mine.

67 of 81 found this helpful

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Sam

Canada

Overall
Durability
Value
Features
Design
Usability
NVX sound dampener

September 22, 2013

This product is easy to work with. You just need to peel it off and apply. I suggest you use a rubber roller with it.

65 of 79 found this helpful

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eli

tulsa, OK

Overall
Durability
Value
Features
Design
Usability
Excellent

September 18, 2013

Great stuff. And I mean GREAAT. Gets rid of unwanted flex and looks appealing. Can't beat the price either

64 of 77 found this helpful

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dimitry

Martinique

Overall
Durability
Value
Features
Design
Usability
bon produit

December 1, 2013

je ne connaissais pas mais pour le coup,il est formidable mais toujours le problème de facilite d' utilisation.

63 of 77 found this helpful

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Eugene

Corvallis, OR

Overall
Durability
Value
Features
Design
Usability
Great Stuff!!

December 14, 2013

I bought a small amount of this stuff wondering how well it would work to just eliminate the rattle in my trunk lid. I drive an E30 so the trunk lid is really light and rattled a lot.

Once this stuff was on, about 90% of the rattle was gone and this was just enough to put on the underside of my trunk lid. My bass inside the cabin also seems to sound a lot more clearer too. This won me over for sure.

Can't go wrong with some NVX!

I installed it with a small floor seam roller I picked up at Sherwin Williams and a hair dryer to heat up the material a little bit to make it more malleable to fit the curves of the bracing. Super easy to install. Took me all of maybe half an hour. Just make sure to clean off your surface before installing.

61 of 74 found this helpful

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Einstien73

Jasper, MO

Overall
Durability
Value
Features
Design
Usability
Quiet Performance

August 5, 2013

If you are looking to improve the response of your speakers, look no further. This material helps dampen the area in which it is installed. I placed this material in the doors of my truck which improved the sound quality in the vehicle. I would never install any speakers without this material. Install, you'll be glad you did!

61 of 74 found this helpful

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lol

Norway

Overall
Durability
Value
Features
Design
Usability
NVX SDVK4

September 18, 2013

The material looks and feels like a good quality product. It's heavy and got a thick aluminium backing. Additionally it's easy to work with and forms nicely to the contours of any surface.

I recommend this product.

60 of 73 found this helpful

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Rich

Louisiana

Overall
Durability
Value
Features
Design
Usability
NVX SDVK4

March 9, 2015

Good product at half the price of other brands.Will be ordering more.

54 of 66 found this helpful

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Lenny

Wilmington, DE

Overall
Durability
Value
Features
Design
Usability
What is This Stuff?

July 23, 2015

When I ordered this stuff I really did not know what it was or how to use it but it became very apparent. I cut this sheet larger than the hole for the speakers and pulled the adhesive off and stuck it over the hole then cut slices from the middle of the hole and folded it under so all edges were smooth. Installed speakers on top of this and there you have an airtight cushion that the speaker sets on top.

28 of 33 found this helpful

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Ryan

arvada, CO

Overall
Durability
Value
Features
Design
Usability
Better then dynamat

July 21, 2015

This product work better then dynamat and its way cheaper! I would reccomend this to everyone I used it in my door panels and there is no rattle what so ever!!! Thanks sonic!!!

26 of 31 found this helpful

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andrew

Yorba Linda, CA

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Good value, thick material

July 13, 2015

Much better than some alternatives I've used on Ebay. Thick material dampens vibration and road noise quite well.

24 of 29 found this helpful

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Zjon

Washington, DC

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Great quality/Value!

August 24, 2015

Used it on the rear speaker panel. now, less vibration and good sound.

I would recommend it.

18 of 22 found this helpful

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Metal Mulisha

Fresno, CA

Overall
Durability
Value
Features
Design
Usability
Best Price

July 5, 2016

This stuff works awesome and the price was perfect. I will definitely order again when I get the extra cash to line the rest of my trunk!

0 of 0 found this helpful

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Justin

Twin Lake, MI

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Solid

July 1, 2016

A nice solid piece of sound dampening. Works as needed and isn't hard to install even without the right tools.

0 of 0 found this helpful

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Miguel

Lake Elsinore, CA

Overall
Durability
Value
Features
Design
Usability
Toyota Tacoma

May 15, 2016

I put this on my Tacoma since the box of my speakers were hitting metal, once I installed this nothing but fire from the base then before when it was all metal hitting

0 of 0 found this helpful

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rich

Ellwood City, PA

Overall
Durability
Value
Features
Design
Usability
Looks good

April 15, 2016

Didn't get a chance to use it yet but seems pretty good

0 of 0 found this helpful

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Kyle

Wisconsin

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
great value

March 27, 2016

I got some free in a nvx amp purchase and it came in a box and was not creased or anything, looked great and was comparable to the q mat I had

0 of 0 found this helpful

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Kelvin

Morris, AL

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
Better than the others

March 13, 2016

Stuff is as thick if not more than a lot of other more expensive brands.. I have never heard of nvx but with this type of quality I kinda want to try their subs out now..

0 of 0 found this helpful

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Louis

Soledad, CA

Overall
Durability
Value
Features
Design
Usability
Great product

January 20, 2016

Great product at an outstanding price. Easy to install and definitely helps with the sound.

0 of 0 found this helpful

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Anthony

Macomb, MI

Overall
Durability
Value
Features
Design
Usability
Works very well.

January 10, 2016

This is the first time using sound deadening material. But i can tell you this is worth it.
Makes a plastic factory sub box more solid.
Great product.

0 of 0 found this helpful

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Accessory Tools and Products

Accessories added

NVX SD-KIT

Complete Sound Dampening Installation Kit

Your Price $22.99

Belva Five Piece Installer's Panel Removal Tool Kit

Assists in removing door panels, vehicle upholstery, and many other parts of the car.

Your Price $11.99

Window Handle Removal Tool

Universal window handle removal tool helps remove the door panels on cars with manual windows.

Your Price $9.99

NVX SDRLR1 Rubber Sound Dampening Roller

2" Professional Heavy Duty Roller for Sound Dampening

Your Price $7.99

Browse 1 question and 22 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
i did my whole care with this stuff amazed how much it held out noise. had to replace door so im getting more but just having the one door not covered really showed me how much it helps
Richard M on Aug 28, 2016
I need this to stop the noise so I can hear my jbl speakers clearly thanks for the great price
Michael i on May 25, 2016
to isolate noise
Ricardo Z on May 31, 2016
Good sale price and the product is thicker than the competitors.
Stephon S on Dec 4, 2015

Product Summary

Manufacturer

Model Number

SDVK4

UPC

784620026632

Weight

3.73lbs

Internal SKU

sdvk4

Internal Product ID

40528

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: NVX SDVK4 - 90mil 2.3mm THICK

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