Wedge Subwoofer Boxes and Enclosures
Shop the Lineup
Performance Optimized Wedge Sealed 15" Enclosure | Kicker Comp VX 15
Performance Optimized Wedge Sealed Dual 12" Enclosure | Prodigy NB5-12
Performance Optimized Wedge Sealed 15" Enclosure | Rockford Fosgate T1D215
Proline X PO 15-S W GUS | Single 15" Sealed Wedge Subwoofer Enclosure | Built for ResoNix GUS-15
Proline X PO 12D-S W GUS | Dual 12" Sealed Wedge Subwoofer Enclosure | Built for ResoNix GUS-12
Performance Optimized Wedge Sealed 15" Enclosure | Kicker CompQ 15
Proline X Performance Optimized Wedge Enclosure | Fits Dual Kicker Solo X 8" Subwoofers
Proline X Performance Optimized Wedge Enclosure | Fits Kicker Solo X 10" Subwoofer
Proline X Performance Optimized Wedge Enclosure | Fits Dual Kicker Solo X 10" Subwoofers
Proline X Performance Optimized Wedge Enclosure | Fits Kicker Solo X 12" Subwoofer
Proline X PO15D-S W | Dual 15" Sealed Wedge Subwoofer Enclosure | Built for ResoNix GUS-15
Performance Optimized Wedge Sealed 15" Audiophile Enclosure | Image Dynamics IDMAX15 V.4
Proline X Performance Optimized Wedge Enclosure | Fits Triple Kicker Solo X 8" Subwoofers
Proline X Performance Optimized Wedge Enclosure | Fits Kicker Solo X 15" Subwoofer
Proline X Performance Optimized Wedge Enclosure | Fits Dual Kicker Solo X 12" Subwoofers
Proline X P12D-S W | Dual 12" Sealed Wedge Subwoofer Enclosure | Loaded with Arc Audio X2V2 12
Proline X Performance Optimized Wedge Enclosure | Fits Kicker Solo X 18" Subwoofer
All products loaded
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
48.5 lb/ft³ density and 200 psi internal bond strength, the highest-grade MDF available for enclosure construction.
1 to 2 Year Warranty
Term runs by series from date of purchase: 1 year on Performance, Performance Optimized, Economy and Down Fire; 2 years on Professional, Vehicle Specific, Flex, Micro and X Series. Covers structural failure and manufacturing defects.
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
CNC-manufactured in our Tennessee facility on ShopSabre routers. Not imported. Not outsourced.














