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Free US shipping over $99

Most orders ship within 24 hours

Made in the USA

Ensuring the best quality

Highest quality materials

Engineered for every vehicle

Easy installation

Soundproof your ride with ease

9 products
ResoNix Sound Deadening Materials Sample Kit list of materials

ResoNix Sample Kit

(48)

$1.00

ResoNix Stage 2 Sound Deadening Kit package picture showing a sound deadened trunk lid

ResoNix Stage-2 Car Trunk Sound Deadening Kit

$270.00

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Car door panel with ResoNix CLD Squares applied to the back of it with text indicating that this is the cover photo for the ResoNix Stage-2 Door Sound Deadening Kit

ResoNix Stage-2 2-Door Sound Deadening Kit

(3)

$394.00 $460.00

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Sale
ResoNix Sound Solutions Stage 3 Door Kit

ResoNix Stage-3 Car Door Sound Deadening Kit (2 Doors)

(9)

$750.00 $845.00

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Sale
Car Door treated with ResoNix Mega CLD Squares and ResoNix Barrier for the ResoNix Stage-4 Door Sound Deadening Kit

ResoNix Stage-4 2-Door Sound Deadening Kit

(1)

$1,020.00 $1,305.00

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Sale
ResoNix Sound Solutions Porsche 911 Sound Deadening Kit product image featuring a Porsche GT3

Porsche 911 – ResoNix Sound Deadening & Sound Treatment Kit

(2)

$992.00 $1,120.00

Sale
ResoNix Sound Solutions Ford Bronco Sound Deadening Kit

ResoNix Ford Broncos Sound Deadening Kit

$950.00 $1,060.00

Sale
ResoNix Sound Solutions Polaris Xpedition XP5 Sound Deadening Material Kit with ResoNix CLD Squares sound deadener, ResoNix Fiber Mat sound absorber, and ResoNix Barrier noise barrier to reduce noise of side by side utv

ResoNix Polaris Xpedition Sound Deadening Kit

(4)

$640.00 $720.00

Sale
Full Soundproofing Kit Entry Level 2 1x1

ResoNix Full Vehicle Sound Proofing Kit For Sedans, Crossovers, & Trucks - Entry Level

(2)

$1,799.00 $2,120.00

Sale
rear of Porsche 911 GT3. Dark but dramatic lighting and highlights

Get personalized recommendations

Not sure where to start?

Your questions answered.

Every vehicle and goal set is different. Start with our sound deadening buyer’s guide to understand what each material does and where to use it. If you want a tailored plan, book our sound system design and installation consultation.


To help offset the cost, up to 40% of the consultation fee can be credited toward ResoNix product purchases made within 30 days.

Most people ask this because they are not sure what physically fits. Fitment varies by vehicle, trim, and where you plan to install it. Check available depth carefully and avoid interfering with moving parts, window tracks, airbags, and service access. As a general rule, choose the thickest that comfortably fits the space. See the product page for details.

We are building an ongoing fitment sheet from customer confirmations. If you can share what fit in your vehicle, please let us know to help others.

If an item is on backorder, the estimated restock date appears on its product page and is updated as we get new information.

Domestic orders that include a backordered item will ship in two parts: in‑stock items ship immediately, and the backordered items ship as soon as they arrive. For international orders, we currently ship when all items are in stock.

You will receive an order confirmation by email, then a tracking email once your order ships. If you need an update or anything looks off contact us with your order number.

We recommend high‑quality, proven DSPs matched to your system design and goals. If you want a custom recommendation, book our sound system design and installation consultation.

To help offset the cost, up to 40% of the consultation fee can be credited toward ResoNix product purchases made within 30 days.

Yes. Start with the sound deadening buyer’s guide for material selection and placement, and the sound deadening reference information & guide for deeper technical detail and best practices.

Please open every box and wrapper fully, since small items are sometimes packed inside larger kits for protection. If something still appears missing, reach out with your order number and what you are not seeing.
We will make it right. Contact us.

Yes, we ship worldwide. Available carrier options and rates are shown at checkout based on destination and weight. Transit times depend on the service you choose and customs processing. Express options are typically faster, while economy services take longer.

Full details are here: Returns and refunds policy.

If you need to cancel an order before it ships, contact us as soon as possible. If a return is needed, follow the instructions on that page so we can process it quickly.

Get in touch!

Need further guidance or have questions? See below for more ways to get in contact and view resources.