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.
40+ years in mobile audio
Scott Welch is a multi-time IASCA and MECA Sound Quality World Champion and active SQ judge.
Original US Importer of Goldhorn
We tune, support, and warranty Goldhorn DSP directly.
In-House Enclosure Manufacturing
Proline X enclosures are CNC-cut on our own routers and shipped direct.
Ships from Tennessee
Real inventory, real shop, real people on the phone.
Where Do You Want to Start?
Whether you know exactly what you're after or you're starting from a blank slate, there's a direct route.
Prefer to do the math yourself? EBP Calculator · Sealed Box Calculator
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.
Shop by Category
Browse the catalog by what you're building.
New Arrivals
The latest gear added to the catalog. New products added regularly.
Performance Optimized Sealed 10" Enclosure | Sony ES
Performance Optimized Dual Sealed 10" Enclosure | Image Dynamics IDQ 10
Performance Optimized Sealed 10" Enclosure | Image Dynamics IDQ 10
Proline X Enclosure | X Series | Fits Dual Kicker Solo X 12" Subwoofer
AudioWave Active 250 Full-Range Monoblock Amplifier
Proline X Enclosure | X Series | Fits Kicker Solo X 10" Subwoofer | Dual
Proline X Micro Series 12" Sealed Enclosure - Fits ResoNix GUS 12
Tru Technologies Tungsten Grande Class AB Monoblock Amplifier
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?
We're authorized dealers for premium brands like Crescendo, TRU Technology, and Goldhorn, ensuring you get genuine products with full warranty coverage. We specialize in custom vehicle solutions, particularly Ford F-150 and Mercedes Sprinter systems. Our team provides expert technical support and compatibility guidance to help you achieve professional installation results. We only carry equipment that meets our strict quality standards for superior sound reproduction.
Do you offer installation services or support?
We provide comprehensive technical support including installation guidance, wiring diagrams, and system compatibility advice. Our knowledgeable team helps you understand proper installation techniques and optimal configurations for your specific vehicle. While we don't offer physical installation services, we ensure you have all the resources needed for professional results. We also provide post-purchase support to troubleshoot any installation questions.
What car audio brands do you carry?
We partner with top-tier brands including Audiomobile, Crescendo, Image Dynamics, Prodigy, Wavtech, Arc Audio, US Acoustics, Tru Technology, Audio Wave, and Goldhorn DSP, plus our in-house Proline X custom enclosure line. Each brand is carefully selected based on our strict quality standards and proven performance in the automotive audio industry. We maintain authorized dealer status with all our manufacturers, ensuring authentic products and warranty coverage. Our brand partnerships span from entry-level upgrades to audiophile-grade systems.
Can you help me design a complete car audio system?
We provide system design consultation to help you build a cohesive, well-matched audio system for your vehicle. Our team considers your musical preferences, vehicle acoustics, and budget to recommend optimal component combinations. We ensure all components work together effectively, from source units to amplifiers to speakers. This comprehensive approach delivers superior results compared to random component selection.
What's the difference between sealed and ported subwoofer enclosures?
Sealed enclosures provide tight, accurate bass response with excellent transient response and musicality. Ported enclosures offer higher efficiency and louder output, particularly in the tuning frequency range. Sealed boxes are more forgiving of placement and work well in smaller vehicles, while ported designs require precise tuning and more space. The choice depends on your musical preferences, vehicle size, and desired bass characteristics.
How do I match an amplifier to my speakers correctly?
Match the amplifier's RMS power output to your speakers' RMS power handling at the correct impedance (ohms). Your amplifier should provide 75-100% of the speaker's RMS rating for optimal performance without damage. Check both power output and impedance compatibility - a 4-ohm speaker needs an amplifier stable at 4 ohms. Proper matching ensures maximum performance while protecting your investment from damage.
What's the difference between component speakers and coaxial speakers?
Component speakers separate the tweeter and woofer into individual units, allowing optimal placement and superior sound staging. Coaxial speakers combine the tweeter and woofer in a single unit for simpler installation and lower cost. Components typically offer better frequency separation, imaging, and overall sound quality due to dedicated crossover networks. Coaxials are ideal for rear fill applications or budget-conscious upgrades.
Do I need a DSP (Digital Signal Processor) for my car audio system?
DSPs correct acoustic problems caused by vehicle interiors, including time alignment, equalization, and crossover optimization. They're essential for high-end systems or vehicles with challenging acoustics like convertibles or trucks. DSPs allow precise tuning to overcome factory limitation
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











