Frequently Asked Questions - ResoNix
Questions? We’ve Got Answers.
In the past year, we have grown more than we could have possibly imagined. We have noticed there are many common questions that we get. We aim to make all of our product pages and informative articles as detailed and easy to follow as possible, but some things are missed along the way sometimes, and other bits of info have no real home to live on our website.
Please note, every product has every specification and detail available right on its product page. It may not be in the title, or the very first line, but nearly every question that we get can be answered by reading the product pages of said product you are inquiring about, what products to use and where can be found in the ResoNix Sound Deadening Material Buyers Guide, and materials application questions can almost always be answered in the ResoNix Sound Deadening Material Reference Information & Guide page.
Pick a category below for answers, or jump to shipping and returns questions from the Orders category.
Sound Deadening & Treatment
CLD, fiber mat, barriers, decouplers, and how to use them.
Car Audio & System Design
Speakers, amplifiers, DSPs, wiring, and system planning.
Subwoofers & Enclosures
GUS series specs, enclosures, power, and install clearances.
Installation & Application
Guides, videos, and best practices for installing materials.
Orders, Shipping & Returns
Order status, backorders, international shipping, and returns.
Handpicked materials to help you stay ahead
ResoNix Guides
Sound Deadening Reference Information Guide
ResoNix Sound Deadening Materials Buyer's Guide
Sound Deadening Material Independent Testing Data
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Here is a very in-depth video on installing our ResoNix Stage-3 Door Kit. Part 1 focuses on the door panel itself, the most important part to treat in high-performance sound system installations.
Part 2 of our in-depth ResoNix Stage-3 Door Kit video series focuses on treating the outer door skin, a key step for improving sound system performance and reducing overall vehicle noise.
Part 3 of our in-depth ResoNix Stage-3 Door Kit video series covers the inner door skin and midbass baffles, both critical for maximizing output, clarity, and installation quality of your front-stage speakers.
Porsche 911 GT3 Sound Deadening & Noise Reduction ResoNix Porsche 911 Sound Deadening Kit – Purchase Here Elevating the Porsche
Part 6 of our Porsche 911 sound deadening series covers before-and-after noise measurements, how the tests are done, why they matter, and what the results show after installing sound deadening materials.
In this video, we demonstrate how different microphones hold up over time and in real-world use for DSP tuning, and whether day-to-day variation is small enough to trust your tuning decisions.