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Upgraded Performance - Universal Applications  

This is where things start to get serious.
Our upgraded automotive subwoofer enclosures are designed with performance and value in mind and created for mid to upper-level woofers.  
Performance Plus series enclosures are available in ported variants only for subwoofers ranging from 8" to 18"

 

Features:

 

  • Hand Built in the USA

  • Built with 3/4" APEX Composite MDF for superior density & strength

  • Double Face for 1.5" Mounting Surface for heavier woofers
  • 4-way Internal Bracing for maximizing strength and minimizing resonances

  • CAD Optimized

  • Exclusive V Port Design with clean carpet grooving
  • Increased Port Area for more efficiency
  • Increased Airspace with Lower tuning ( 30 - 34hz )
  • Interlocking Dado cut Design for incredibly strong joints

  • Precision CNC Cut utilizing state of the art ShopSabre Industrial CNCs

  • High-Quality Terminal Cup with Acrylic badging

  • Rounded External Edges Throughout including all Bracing

  • Recessed Side Panels increase structural integrity
  • Available wrapped in Upgraded Black Carpet

Proline X - Performance Plus

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