Proline X Subwoofer Enclosures
Handcrafted in the USA for Unmatched Sound and Performance
Proline X Premium Subwoofer Enclosures
Serious car audio enthusiasts know that raw subwoofer power isn’t everything. It’s about precision, control, and maximizing every ounce of bass. That’s where ProLine-X custom subwoofer boxes come in. We understand the science of sound and the art of crafting enclosures that transform your music. Let us help you build a system that makes noise and a statement.
Ditch those generic, cookie-cutter subwoofer boxes that leave you underwhelmed. At ProLine-X, we believe your car’s audio should be as unique as you are. That’s why we handcraft custom subwoofer enclosures with meticulous attention to detail. Experience the difference – deeper bass, tighter sound, and a listening experience beyond hearing to feeling the music.
Latest Product Additions
Performance Series
Our most popular line, balancing performance and affordability in an array of sizes
Down Firing Series
Experience heart-pounding bass with the space-saving design of our Down Firing Series enclosures
Performance Optimized Series
Unlock your subwoofer’s full potential with these enclosures meticulously tailored to specific models.
Micro Series
Big bass in small spaces – the Micro Series is perfect for compact vehicles without sacrificing sound.
Vehicle Specific Series
Seamless integration and maximized performance with enclosures custom-designed for your car’s make and model.
Professional Series
Unleash competition-grade sound with these premium enclosures for the most demanding audio enthusiasts.
What Makes Proline X Unique?
American Craftsmanship, Globally Recognized
Proline X subwoofer enclosures are a testament to American craftsmanship.
Each enclosure is meticulously built in the USA, a story of precision engineering and unwavering commitment to quality.
Experience the difference – superior sound and lasting performance.
Uncompromising Quality Assurance
At Proline X, quality isn’t just a buzzword – it’s our obsession. We meticulously test and inspect every subwoofer enclosure throughout the entire build process, establishing ourselves as leading subwoofer box manufacturers.
Engineered Precision with CNC Manufacturing
Our commitment to precision starts with advanced CNC manufacturing.
This ensures every enclosure is built to exacting standards, from the finest materials to the final assembly, delivering unmatched consistency and performance of every subwoofer enclosure.
Product Range
We offer a diverse range of car subwoofer enclosures, including:
- Down Fire Enclosures: Deliver deep, space-saving bass.
- Micro Enclosures: Get powerful sound even in compact vehicles.
- Performance Optimized Series: Maximize your specific subwoofer’s output.
- Performance Series: Experience impressive audio at an unbeatable value.
Product Reliability
Our team brings a disciplined work ethic and meticulous attention to detail to every Proline X product, ensuring unmatched quality and performance.
We’re not content with simply meeting industry standards. Our mission is to set new benchmarks in excellence, delivering audio solutions that exceed your expectations.
Industry Leadership
Building on three decades of audio innovation, renowned industry expert Scott Welch (Audio Intensity’s founder) created Proline X, a brand dedicated to superior sound engineering and unmatched subwoofer enclosure performance.