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All (Sorted by Best Selling)

Explore the full range of ResoNix products, including industry-leading sound treatment materials, high-end car audio equipment, DSPs, amplifiers, and installation accessories.

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

125 products
The product box of Karma Mobile Audio Aspect 6.1 component set of car audio 6.5" speakers and tweeters

Karma Mobile Audio: Aspect 6.1 - 6 Inch Component Speaker Set

$299.00

Custom order only
Custom order only
Earthworks Audio M23 G2 audio measurement microphone

Earthworks M23 G2 Measurement Microphone

$549.00 $699.00

Sale
Helix DSP Ultra S 12-channel car audio DSP

Helix DSP Ultra S - 12 Channel High Resolution DSP

$1,600.00

Black Helix Amplify 206 DSP six channel car audio amplifier with integrated eight channel DSP and ribbed metal housing

Helix Amplify 206 DSP

$999.00 $1,199.00

Sale
PS Sound undorf AMT Tweeter Installation Hardware

PS Sound U60S-PS1.1 Mounting Kit

$50.00

shipping box for the Karma Mobile Audio Allure 6 6.5" car audio midbass speaker

Karma Mobile Audio: Allure 1 Tweeter (Pair)

$340.00

Custom order only
Custom order only
A pair of Helix Ci5-S200FM D2 8 inch shallow midbass speakers against a white background

Helix Ci5 S200FM - 8" Shallow Midbass (Pair)

$550.00 $600.00

Order Now
Sale
Steg Master Stroke MS30 3" wideband speaker for cars

Steg Master Stroke MS30 - 3" Wideband Speaker - Pair

$299.00 $360.00

Sale
Helix V Twelve Mk2 12-channel car audio amplifier and 14-channel DSP

Helix V Twelve DSP Mk2 - 12 Channel DSP Amplifier

$2,100.00

ResoNix Sound Solutions DSP Tuning Measurement Microphone In Car

Sound System Design & Installation Consultation Service

$300.00

PS Sound x Mundorf U60S-PS1.1 AMT Tweeters - Pair

PS Sound - Mundorf U60S-PS1.1 AMT Tweeters - Pair

$1,099.00

Blackhole Tiles automotive sound absorber

Blackhole Tiles

$350.00 $399.00

Sold out
Audiomobile Encore 4412 12" Subwoofer front

Audiomobile Encore 4412 - 12" Dual 4-ohm Subwoofer

$799.00

Sold out
ATF Audiotec Fischer Helix AMI Audio Measurement Interface

Audiotec Fischer AMI - Audio Measurement Interface

$300.00

Sold out
Karma Mobile Audio Inspire 2 - 2" wideband speaker product box

Karma Mobile Audio: Inspire 2 - 2 Inch Wideband Speaker (Pair)

$320.00

Custom order only
Custom order only
Helix M Six DSP 6-channel car audio amplifier and 10-channel DSP

Helix M Six DSP - 6 Channel DSP Amplifier

$1,200.00 $1,300.00

Sold out
Steg Master Stroke MSS1M 1" tweeter with installation hardware

Steg Master Stroke MSS1M - 1" Tweeter - Pair

$679.00 $720.00

Sale
Audiomobile Encore 4415 15" Subwoofer front side view

Audiomobile Encore 4415 - 15" Dual 4-ohm Subwoofer

$999.00

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

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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.

Contact

Email us (845) 737-6649 Chat with us

Resources

Sound deadening information guide Sound deadening buyers guide