Updated April 2025
Is your car stereo just not cutting it? Want better sound without the hassle? We can help! I've been in car audio for almost 40 years and won multiple championships. Now I'm here to share what works.
Better Sound for Your Car
Music has changed. Your car audio should too. Today's digital music needs better equipment to sound its best. At Audio Intensity, we bring you great brands at fair prices.
Sound Processors That Make a Difference
Our Goldhorn sound processors work magic with your car stereo. They make everything sound better without changing your dash. Check out Goldhorn online for more info.
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Goldhorn DSPA 406 – Small but mighty. Makes your music clear and powerful.
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Goldhorn DSPA 810 Pro – Fine-tunes every part of your music. Brings out details you never heard before.
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Goldhorn DSPA 1216 Plus – Our best processor. Combines an amp with precise sound control.
Amps That Make Your Music Shine
We're the only U.S. seller of Audio Wave amps. They sound as good as big brands but cost less. See how they're made at Audio Wave's site.
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Audio Wave Aspire Pro V2 – Pure, clean sound that rivals Alpine and Kenwood, delivering impressive watt output.
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Audio Wave Amp Series – Reliable power that makes your music crystal clear.
Speakers That Reveal Every Detail
Our European speakers bring out sounds you never knew were in your music:
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Rainbow Audio EL-X165S – Easy to install. Rich bass and clear highs.
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Rainbow Audio EL-C260S – Hear every detail in your music. Handles more power than factory speakers.
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Xcelsus XXM325 – Perfect for vocals and instruments. Built to win competitions.
Proline X Custom Enclosures
As the manufacturer of Proline X subwoofer enclosures, we design and build competition-grade enclosures right here in California:
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Proline X Custom Series (starting at $299) – Vehicle-specific subwoofer enclosures precisely engineered for your exact make and model, maximizing bass output while preserving cargo space. Learn more about our custom design process.
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Proline X Competition Series (starting at $499) – The same enclosures that have helped win multiple world championships, featuring proprietary port designs and internal bracing developed through decades of competition experience. Read about how our enclosures helped win at IASCA Finals.
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Proline X Stealth Series (starting at $249) – Low-profile enclosures that deliver remarkable bass while maintaining a factory-like appearance, perfect for those who want impressive sound without sacrificing space. See our recent Toyota Camry stealth install for inspiration.
Competition-Proven System Packages
Drawing on my competition experience, we've created complete system packages that deliver championship-winning sound at various price points:
Entry-Level Excellence Package
Our starter package includes:
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Goldhorn DSPA 406 DSP amplifier
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Rainbow Audio EL-X165S coaxial speakers for the front
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Proline X Performance Series enclosure with your choice of subwoofer
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Professional tuning guide with base configuration file
Serious Enthusiast Package
Step up to competition-grade sound with:
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Rainbow Audio EL-C260S component speakers
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Proline X Professional Series enclosure with your choice of subwoofer
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Professional system design consultation
Championship Caliber System
The same equipment that's earned multiple world championships:
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Complete Dynaudio/Rainbow/Xcelsus component system
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Custom wiring package with competition-grade installation materials
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Professional installation available (additional cost)
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Personal tuning session with our competition experts
Installation Tips That Make a Difference
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Keep your factory stereo: Our Goldhorn units work with your current audio system. You keep all your features, but get much better sound with digital media compatibility.
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Get clean power: Good wiring is key. We show you how to do it right. This matters for powerful amps that rival Alpine and Kenwood.
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Add sound deadening: This simple step makes HD radio and digital music sound amazing. We'll show you where to put it.
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Tune it right: Good tuning makes even basic systems sound great. Our systems include tuning files you can access through WiFi or Bluetooth.
Why Shop With Us
At AudioIntensity.com, you get more than just parts:
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Exclusive brands: We have Goldhorn, Audio Wave, and more that big-box stores don't carry.
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Competition know-how: Our systems compete with major brands but cost less.
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Direct pricing: We make Proline X boxes and import our brands directly. No middleman means better prices.
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Lifetime help: Our expert team is always ready to help with any questions.
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Industry contacts: We work with competition judges and magazines to stay current.
Common Questions
Q: Do I need a new stereo head unit?
A: No! Our Goldhorn units work with your factory stereo. You keep all your Bluetooth, WiFi and touchscreen features. It costs less than replacing your head unit too.
Q: How do you compare to Alpine and Kenwood?
A: Our brands sound just as good or better than Alpine and Kenwood, but cost less. We import directly, so you don't pay extra markups.
Q: Can I install this myself?
A: Yes! Our kits come with clear guides for DIY fans. Everything connects easily. We also have installer recommendations if you want professional help.
Q: What should I upgrade first?
A: Start with a Goldhorn processor and better front speakers. This gives you the biggest improvement for your money. The processor makes your factory stereo sound much better.
Q: Will your boxes work with my digital music?
A: Yes! Our Proline X boxes are made for today's digital music, HD radio, and streaming services. They bring out all the details in your music.
What Makes Us Different
Since 1986, I've tested thousands of car audio products. In 2014, I founded Audio Intensity to bring audiophiles great sound at fair prices.
Whether it's your first upgrade or a competition system, we offer factory-direct pricing on exclusive brands that make digital music sound amazing.
Special Deals
Take advantage of these great offers: through May 2025
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15% Off All Goldhorn Products - Better sound processing at a special price. Discount applies automatically.
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Free Bluetooth Controller with any Goldhorn DSP - Control your music easily from anywhere in your car.
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30% Off Eton Enclosed Subwoofers - European bass at an amazing price.
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15% Off Audio Dynamics Products - Essential accessories while supplies last.
Helpful Resources
Want to learn more about car stereos? Check these sites:
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EMMA Competition - European car audio competition info
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12 Volt News - Latest on touchscreen, Android, and Bluetooth car tech
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Mobile Electronics - Car stereo industry news
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MECP Certification - Pro training standards
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Sound Deadener Showdown - Better car acoustics
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Car Audio Fabrication - DIY installation videos
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Crutchfield Database - What fits your car
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IASCA - International sound competitions
Visit AudioIntensity.com today to explore our car audio solutions, or contact us for recommendations for your vehicle.
Updated April 2025 by the Audio Intensity Team
