Dynamat Xtreme Wedge Pack

1 sheet, 4 square feet

  • Dynamat Xtreme Wedge Pack


  • Dynamat Xtreme Wedge Pack

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Our take on the Dynamat Xtreme Wedge Pack

by Leigh Schoettinger

You've installed speakers and subwoofers so you can hear clear, vibrant music in your car. Why put up with road noise? Dynamat Xtreme Wedge Pack minimizes your car's irritating resonances and screens out noise from the wind, your engine, and surrounding traffic, all factors that can jeopardize sound quality.

Dynamat designed this self-adhesive Xtreme sheet for general use on rear decks, doors, floors, and trunks. Apply this sheet to a car door before mounting a speaker, and you'll transform flimsy metal into a solid, non-resonant baffle. Unlike Dynamat Original, you can also install Dynamat Xtreme on trunk lids, roofs, quarter panels, and even under your car's hood. And Xtreme proves four times more effective than Original in reducing noise, so you'll hear your music and nothing else.

One 32" x 18" sheet, 4 square feet total. Warranty: 60 days.

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Hands-on research from the Crutchfield Labs (what are the Labs?)

Product Research
What's in the box?

Download owner's manual

  • 1 Sheet of Dynamat Xtreme
  • Installation instructions
  • Dynamat Sticker

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.



Overview: Dynamat Xtreme provides four times the damping efficiency of Original Dynamat, the conforming ability of Premium Dynamat, and the radiant energy reflection of Super Dynamat. Dynamat Xtreme has an aluminum layer for high-temperature areas. Dynamat Xtreme will create a seal and damp the door panel to maximize your system's performance.

Self-Adhesive: There is a high tack permanent adhesive with a peel off plastic liner on the back of the Dynamat Xtreme.

Easy to Cut: The material cuts easily with scissors or a razor knife.


Installation Steps:

  • Clean mounting surface (bare metal or fiberglass)
  • Using a razor knife or scissors cut Dynamat Xtreme to the desired size
  • Remove the release liner from the back of the Dynamat Xtreme and apply to door
  • Apply pressure, working Dynamat Xtreme into the contours of the door panel with a roller tool
  • Work out air pockets (eliminating air pockets will ensure lasting adhesion of the Dynamat Xtreme to the panel, giving you maximum damping effect)

Product reviews from the Crutchfield Labs (what are the Labs?)

Video: Dynamat Sound Damping Kits

Video: Dynamat Sound Damping Kits

by Video Guest
Video: Dynamat Sound Damping Kits

Adding Dynamat sound damping to your car quiets noise and vibration, giving you a quieter ride. This short video presents an overview of what Dynamat is and how it makes your music sound better.

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Dynamat Xtreme Wedge Pack Reviews

Average Customer Review:

7 people say:

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3 out of 5

It helps

Written By Gareth, Seattle, WA on Friday, October 03, 2014
Crutchfield Customer Review (What's this?)
It helps, I guess. The doors shut with more of a thud now. I installed it with when I installed new speakers so I have no point of reference to compare its effect on the sound but I know it didn't hurt.
Its sticky.
Its expensive considering what it is - thick tape.
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4 out of 5

Does what it's supposed to.

Written By C, Charleston, SC on Monday, February 17, 2014
Crutchfield Customer Review (What's this?)
It's Dynamat. It damps panel vibration. It's not a fix for poor system design, cheap speakers, etc. Does exactly what it's supposed to do. Would be nice if it was a little cheaper, but you get what you pay for.
It works.
None, really.
1 out of 1 people found this helpful
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4 out of 5


Written By Venom, Texas on Wednesday, February 05, 2014
Crutchfield Customer Review (What's this?)
This stuff just works. There are others out there that vary in price and quality but as far as I'm concerned, this works so why mess with others.
Easy to cut Easy to attach
1 out of 1 people found this helpful
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4 out of 5

Does what its supposed to do

Written By Rob, Northeast on Friday, July 19, 2013
Crutchfield Customer Review (What's this?)
I like the product, its easy to work with and provides a true benefit not only noise attenuation but also for sealing screw holes in the door that hold the speaker in case/when water gets in there. I used this as a "gasket" for installing my speakers in the door and folded the pie sliced pieces from the speaker opening up and to the inner side of the door as well.
sound dampening, insulation, and sealing properties.
none works as advertised
1 out of 1 people found this helpful
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3 out of 5


Written By JoeW, Pittsburgh, Pa on Saturday, June 30, 2012
I will not argue against what this product does. Rather, I'd like to point out what it is: It is foil backed, butyl rubber. Other manufacturers produce foil backed butyl rubber at a fraction of the cost of Dynamat. The only difference I have detected is that Dynamat's foil layer *might* be a little heavier. There is nothing magical about Dynamat's foil backed butyl rubber. It is what it is, same as any other foil backed butyl rubber. Do yourself a favor and a little research into the material used, and save yourself a few $$$. Avoid foil backed asphalt and go with butyl. Butyl has better adhesion than aspalt and won't small like asphalt when your car has baked in the sun all day.
Does what it says
The premium paid for the name brand is out of line with the product itself.
11 out of 11 people found this helpful
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5 out of 5


Written By Kyle, Mansfield, CT on Sunday, August 23, 2009
Crutchfield Customer Review (What's this?)
I definitely need more of this. (I put 4 sq. ft. in my trunk) but I can already notice a difference. I will be purchasing more shortly.
6 out of 8 people found this helpful
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5 out of 5

Good Stuff

Written By Greg, Dallas, TX on Sunday, January 11, 2009
Crutchfield Customer Review (What's this?)
I replaced the speakers in my Dodge Ram 1500 and used this product as
part of the install. Simple installation. Product is a "mushy" type of rubber
that cuts easily and adheres well to clean surfaces. I liked how the
speakers settled into the rubber when I screwed them in. I have no
buzzing or vibration issues with this installed. I figured it was worth a few
extra dollars to reduce or eliminate the possibility of unwanted vibrations
or rattling. Also, no rubber smell from this product at all.
22 out of 23 people found this helpful
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1 question already asked

is this self-adherent or do i need finishing tape? [ C.Castro  Jan 02, 2014 ]
4 answers
  • Self adhesive, and works great! [ ANTHONY   Jan 04, 2014 ]
  • No tape needed. I use a heat gun on the lowest setting and it did the job [ FERNANDO C   Jan 03, 2014 ]
  • The material is self adhesive and can be easily cut and fitted. A hand roller is recommended to make good adhesive contact eliminating air bubble entrapment. A strong pair of upholstery shears or scissors works well for cutting and trimming if required. Do most of your cuts and fitting before you remove the protective adhesive backing for the final application, repositioning is next to impossible without damage once it has been installed. After you make cuts foil backing will have extra sharp edges in those areas and gloves should be considered to prevent injury. Finishing tape is not required but can be used on seams or overlaps if desired. It is a great product that conforms to odd shapes and works as it is designed too. [ SCOTT   Jan 03, 2014 ]
  • Its self adherent [ CHRISTOPHER   Jan 03, 2014 ]

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For a more in-depth review and enhanced detailed information on the Dynamat Xtreme Wedge Pack, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_15410425/Dynamat-Xtreme-Wedge-Pack.html ).

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