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ProLine X - Professional Series Subwoofer Enclosures: Where Maximum Performance Meets Sophisticated Design

Welcome to the world of high-fidelity audio where your search for the perfect bass ends. Unveiling the ProLine X - Professional Series Subwoofer Enclosures, an epitome of sonic power and architectural precision. These meticulously crafted enclosures are built to offer the ultimate upgrade to your mid to high-end subwoofers, pushing their limits for an unparalleled auditory experience.

Key Features

Hand Built in the USA

Embodying the essence of superior craftsmanship, each of our ProLine X enclosures is hand-assembled in the USA. Your purchase is more than just a product; it’s a testament to American quality.

Apex Composite MDF Construction

Constructed with 3/4" Apex Composite MDF, these enclosures ensure durability while maintaining excellent acoustic properties.

Double Face Panel & Recessed Woofer Opening

The double face panel design with a recessed woofer opening amplifies the stability and performance, making it compatible with a range of high-end subwoofers.

Extensive Internal Bracing

Engineered for rigidity, the internal bracing system mitigates vibration and ensures sound integrity.

Rounded Edges

For a clean, sophisticated look, all internal and external edges are rounded to perfection.

CAD Optimized Design

Computer-aided design ensures that every enclosure is modeled to maximize performance, bolstered by our recommended subsonic filter suggestions.

Interlocking Architecture

The unique interlocking design ensures stability and makes assembly a breeze, securing each component in place.

Precision CNC Cut

Every cut is CNC guided to ensure accuracy, resulting in a snug fit and superior finish.

Larger Terminal Cup

Accommodates wires up to 10 gauge through a high-quality terminal cup, ensuring maximum signal integrity.

Premium Carpet Finishing

Choose between Black or Gray premium carpet that not only enhances the enclosure's visual appeal but also ensures its longevity.

Ultra-Low Tuning

Our enclosures are tuned between 28-34 HZ for an exceptionally low and resonant bass.

Continual Model Updates

New models, honed to perfection, are added weekly to offer an expanding range of options.

Custom Branding

Both store and personal branding options are available, with the option for "Level 2" upgraded acrylic inserts for a more personalized look.

Two Available Levels

Tailor your experience by selecting from our two available levels to match your specific needs.

Why Choose ProLine X?

These are not just boxes; they are thrones for your subwoofers. ProLine X enclosures are built with attention to every detail, ensuring that they can support even the heaviest of subwoofers. When you choose ProLine X, you're choosing an enclosure designed to optimize the capabilities of your audio investment.


Make your bass the talk of the town with ProLine X - Professional Series Subwoofer Enclosures. Experience bass like never before and push your audio experience to the next level.

For a sound that resonates in your soul, choose ProLine X. Because every great performance deserves an even greater stage.

Order yours today and redefine your auditory experience.

ProLine X - Professional Series Subwoofer Enclosures


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