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Resources

Whether you're looking to deepen your knowledge, find essential tools, or discover new strategies, you've come to the right place. This collection of curated resources, written/filmed by ResoNix Sound Solutions founder and owner, Nick Apicella, is designed to support your learning, enhance your skills, and help you achieve your goals.
handpicked materials to help you stay ahead

Highlighted Resources

Blog Posts

Sound treatment how to’s.

someone sound deadening a automobile door with text describing an article that teaches you how to do it yourself
Sound Deadening Reference Information Guide

This guide breaks down the four types of sound deadening materials: vibration dampers, decouplers, sound absorbers, and noise barriers. It explains what each one does, how it works, and when to use it. Whether you're quieting road noise or improving a high end car audio system, this article helps you make the right choices.

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someone installing automotive sound deadener into a porsche 911 door
Sound Treatment Terminology & Glossary

New to sound treatment and need to clear up the jargon? This glossary demystifies common terms related to automotive sound deadening, from absorbers and decouplers to noise barriers. It’s always getting expanded, and if you spot something missing or confusing, we’re all ears.

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Which Sound Deadening Material is the best. Automotive Sound Deadener testing results.
Independent Testing Data

Wondering which sound deadening actually delivers? This page shares independent test results that show how ResoNix CLD Squares and Mega CLD Squares outperform almost every other product in resonance reduction and price‑for‑performance. See the cold, hard data so you can compare brands with confidence.

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Nick Apicella of ResoNix tuning a car audio sound system DSP
DSP Tuning Tracks & Guide

This guide shares my car audio specific DSP tuning tracks playlist along with a streamlined tuning walk through, designed to help polish your DSP adjustments by combining measurement tools and listening. It is not a full tuning manual, so having a basic foundation in DSP tuning is recommended.

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Why Should You Choose ResoNix?
Why Should You Choose ResoNix?

In a world driven by instant gratification and cheap convenience, ResoNix stands apart for those who demand more than 'good enough'—offering true performance, lasting value, and the highest quality in sound deadening, and other high-end car audio products.

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Videos

Sound deadening videos.

How To Sound Deaden A Car Door - Part 1: Introduction & Door Panels

This is the first of three videos that make up our How To Sound Deaden A...

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How To Sound Deaden A Car Door - Part 2: Outer Door Skin

This is the most common method of treatment that we see from our customers and deal...

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How To Sound Deaden A Car Door - Part 3: Midbass Baffles & Inner Door...

This is the final of three videos that make up our How To Sound Deaden A...

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ever-growing and evolving

Sound Treatment Terminology & Glossary.

ever-growing and evolving

Sound Treatment Terminology & Glossary.

Common terminology and phrases used when discussing automotive sound treatment

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Not sure where to start? Let’s Chat!