Car Audio, Curated by a World Champion.

Audio Intensity isn't a marketplace. Every subwoofer, amplifier, DSP, and enclosure on this site was chosen by Scott Welch — IASCA National and MECA World Sound Quality Champion, active SQ judge, 40+ years in mobile audio. If it's here, it earned its place.

Build a car audio system around control, fitment, and long-term performance. This page brings together subwoofer enclosures, amplifiers, DSPs, speakers, and system components selected for accurate sound and reliable operation. Each category is curated to support proper system design, whether you are upgrading a factory setup or planning a complete build. Product selection prioritizes enclosure integrity, stable power delivery, clean signal processing, and predictable results. This is not a marketplace of random parts. It is a focused catalog built for enthusiasts, installers, and daily drivers who value performance that holds up over time.

Prefer to do the math yourself? EBP Calculator · Sealed Box Calculator

Proline X | CNC-Machined in Tennessee

Built in Tullahoma. Engineered to outlast the vehicle.

Every Proline X enclosure is CNC-cut in our Tennessee facility from Langboard Elite MDF, the densest, most acoustically inert substrate available. No outsourcing. No shortcuts. No compromises.

Substrate Langboard Elite MDF
Machining ShopSabre CNC
Terminal Cup ABS / Carbon Fiber
Warranty 2-Year Limited
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems

THE MOST SERIOUS SMALL AMPLIFIER EVER MADE.

AUDIO WAVE ACTIVE 250

The Audio Wave Active 250 is the kind of amplifier that stays in your system for years, not because you have to keep it, but because nothing you find will make you want to replace it.
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Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems
Audiowave Active 250 Full - Range Monoblock Amplifier - Audiowave Amplifier for car audio systems

Shop by Category

Browse the catalog by what you're building.

New Arrivals

The latest gear added to the catalog. New products added regularly.

Brands We Carry

Only the brands we'd run ourselves.

Proline X subwoofer enclosures logo with American flag design on a textured background
Black audio amplifier with Goldhorn branding on a black background
Wavtech audio components including speakers and amplifier on a black background
Tru Technology amplifiers with American flag on a dark background
Three subwoofers with 'Image Dynamics' logo above them on a dark background.
US Acoustics amplifier on a blue background
Audio equipment with Crescendo logo on a gray background
Prodigy Audio speakers and amplifier on a Prodigy Audio branded surface

Car Audio FAQ - Expert Answers

Get expert answers to the most common car audio questions. From installation guidance to technical specifications, our team provides the knowledge you need to make informed decisions about your vehicle's audio system.

What makes Audio Intensity different from other car audio retailers?

Do you offer installation services or support?

What car audio brands do you carry? 

Can you help me design a complete car audio system?

What's the difference between sealed and ported subwoofer enclosures?

How do I match an amplifier to my speakers correctly?

What's the difference between component speakers and coaxial speakers?

Do I need a DSP (Digital Signal Processor) for my car audio system?

2016 world finals trophies

FOUNDED IN 2014

Built by a Competitor, for People Who Care How It Sounds


Audio Intensity was founded by Scott Welch, IASCA National and MECA World Sound Quality Champion, active SQ judge, and the Original US Importer of Goldhorn DSP. After 40+ years in mobile audio and a wall of championship hardware, Scott built Audio Intensity to be the outlet he'd want to buy from: a tight, curated catalog with no filler, real enclosures manufactured in-house under the Proline X name, and someone who actually knows the gear on the other end of the phone. Questions? Call or text: 707-999-3071