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Dynamat 10415 Xtreme Speaker Kit

Two 10-in. x 10-in. Sheets

Item # 15410415

A Dynamat Speaker Kit transforms the flimsy sheet metal in your car door into a solid, non-resonant baffle.

A Dynamat Speaker Kit transforms the flimsy sheet metal in your car door into a solid, non-resonant baffle.

Discontinued item

Item # 15410415

Since 1974

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About the Dynamat 10415 Xtreme Speaker Kit

A Dynamat Speaker Kit transforms the flimsy sheet metal in your car door into a solid, non-resonant baffle. You'll enjoy improved mid-bass performance with less distortion.

A Dynamat Speaker Kit transforms the flimsy sheet metal in your car door into a solid, non-resonant baffle. You'll enjoy improved mid-bass performance with less distortion.

High-performance Dynamat Xtreme is a patented, lightweight elastomeric butyl and aluminum constrained-layer vibrational damper. It's lighter than Dynamat Original, requires no heat to apply, and is coated with aluminum for high temperature areas such as firewalls and floors. Best of it all, it's four times more effective than original Dynamat in reducing noise!

Contains two 10" x 10" pieces of Dynamat Xtreme (0.044" thick). Ideal for mounting your speaker to a contoured metal surface like a car door or rear deck.

Want to learn more about Dynamat? Check out our video on reducing road noise with Dynamat.

Warranty: 60 days.

What's in the box:

  • 2 sheets of Dynamat Xtreme
  • Installation Instructions
MFR #10415

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Dynamat 10415 Xtreme Speaker Kit reviews

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More details on the Dynamat 10415 Xtreme Speaker Kit

Mark G.

Product Research



Xtreme: Dynamat Xtreme provides 4 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.

Mounting: Mount the speaker as you normally would, Dynamat Xtreme will create a seal and damp the door panel to maximize the speaker's performance.

Excess: Use any excess Dynamat Xtreme to attach to the speaker basket, thus cutting down on resonance.

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

Sizing: The material cuts easily with scissors or a razor knife. Dynamat Xtreme will increase the speaker's mounting height and reduce mounting depth by approximately 0.085". It is typically used to install two speakers for maximum performance.


  • Clean mounting surface (bare metal)
  • Using a razor knife or scissors cut Dynamat Xtreme to the desired size
  • Apply Dynamat Xtreme, centering the sheet over the speaker opening
  • Apply pressure, working Dynamat Xtreme into the contours of the door panel
  • Using speaker hole as a guide, cut away center portion of sheet

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Customer Q&A

3 questions already asked

Do you need dynamat for both your front and back doors?
[ Antonio  Jun 04, 2021 ]
2 answers
Depends on the size of your system you're installing. If you're just replacing factory speakers, I would probably not worry with a sound deadener. However, if you're doing a pretty big upgrade with more power it will definitely help reduce resonance. A trick I do is remove the factory plastic moisture barrier and place the deadener straight on the door. Except for the hole for the speaker, do not open any other holes. Take the piece you cut out for the speaker and place it against the outside skin of the door (inside of the door obviously) right behind the speaker. And yes, sound deaden all doors.
[ Stanley  Jun 04, 2021 ]
I put it in. But I don't think you need it at all if you are not using an amp.
[ Nickolaus  Jun 04, 2021 ]
What is this for?
[ Jose  Feb 09, 2021 ]
10 answers
You put it around your speakers to reduce distortion and get a cleaner sound.
[ Omeed  Feb 15, 2021 ]
It's a sound deadening material it sticks on around speaker holes in doors or trunk lids u ca. Actually put it on the floor or in your trunk you cut it into sectional pieces and it keeps riad noise out also seals the car better and also helps with rattles so really can be used for multiple things just depends on what your need is hope this helps if u need to know anymore specifics feel free to ask and I can try to help if I can
[ Matthew  Feb 10, 2021 ]
I used it inside door panels behind speaker magnets to dampen vibrations.
[ Michael  Feb 09, 2021 ]
Helps reduce road noise and auto vibration
[ EDWARD  Feb 09, 2021 ]
I put it on the metal inside my driver & passenger doors to reduce vibration noise.
[ Steven  Feb 09, 2021 ]
It creates a barrier between the speaker and the metal of the door to prevent rattling. It pretty much kills the extra sound that's not from the speaker.
[ Brandon  Feb 09, 2021 ]
It was used to stop vibration on my back deck. I took up the plastic and put it directly on the metal around my rear speaker holes. I have a subwoofer so it bangs pretty hard sometimes : ).
[ ROBERT LEE  Feb 09, 2021 ]
Jose: the Dynamat is a product that is designed to dampen outside noise. It's like insulation in your home to hold heat in the winter and heat out in the summer. The kit is used around the speakers (you can also purchase larger sheets to insulate the entire door or floor of your car). It definitely improves the quality of sound inside the vehicle cabin. It's a bit pricey but it does make a difference in sound quality.
[ Jeffrey  Feb 09, 2021 ]
When u place it strategically in your door panels around where your speakers are it keeps stuff from rattling. I personally dunno where exactly to place it but when u bring it to a professional shop they know exactly where to put and you'll get good sound quality. Talk to a crutchfield costumer service representative and they will know how much you should purchase.
[ FELIX  Feb 09, 2021 ]
To make your speakers sound better by reducing the road noise and stopping the rattle in the door from the bass.
[ Andrew  Feb 09, 2021 ]

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