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Kicker Subwoofer Boxes and Enclosures

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Built Different. Built Better.

Every Proline X enclosure is manufactured in our Tullahoma, Tennessee facility using materials and construction methods that most enclosure brands don't touch.

Langboard Elite MDF

Langboard Elite MDF

48.5 lb/ft³ density and 200 psi internal bond strength, the highest-grade MDF available for enclosure construction.

1-Year Warranty

1-Year Warranty

Full coverage on materials and construction defects. We stand behind every enclosure we build.

Driver-Matched Tuning

Driver-Matched Tuning

Internal volume, port tuning, and cabinet dimensions are spec'd to each driver diameter, not a universal fit applied across sizes.

Made in Tullahoma, TN

Made in Tullahoma, TN

CNC-manufactured in our Tennessee facility on ShopSabre routers. Not imported. Not outsourced.

Shop By Series

Economy Series
Economy Series
Value Driven - Standard Output
Performance Series
Performance Series
High Output - Universal Ported & Sealed
Performance Optimized Series
Performance Optimized Series
Precision Tuned - Brand Specific Geometry
Performance Wedge Series
Performance Wedge Series
Angled Back - Truck & Hatchback Ready
Professional Series
Professional Series
Competition Grade - Double Baffle High SPL
Micro Series
Micro Series
Compact Sealed - Small Footprint Efficiency
Down Fire Series
Down Fire Series
Under Seat - Cargo Safe Down-Firing
Vehicle Specific Series
Vehicle Specific Series
OEM Fitment - Stealth Truck & SUV Solutions
Loaded Series
Loaded Series
Plug & Play - Subwoofer + Box Bundles