Proline X Performance P15D-S Sealed Enclosure for Dual 15" Subwoofers
Proline X Performance P15D-S Sealed Enclosure for Dual 15" Subwoofers
Proline X Performance P15D-S
Dual 15" Sealed Subwoofer Enclosure
Professional-grade bass solution engineered for serious audiophiles who demand maximum performance from their dual 15" subwoofers
Premium Performance Features
Engineered with proprietary Apex MDF and precision craftsmanship for uncompromising bass performance
Proprietary Apex MDF
High-density Apex wood composite delivers superior strength and durability, withstanding the most demanding audio setups while minimizing resonance.
Interlocking Bracing System
Advanced internal bracing design enhances structural integrity, minimizing vibrations and resonances that can degrade sound quality.
Precision CNC Construction
Computer-controlled cutting ensures exact dimensions and perfect fit, maximizing your dual 15" subwoofers' potential for deep, precise bass.
Premium Trunk Liner
Salt and pepper trunk liner provides additional protection and a sleek, professional finish that complements any vehicle interior.
Handcrafted in USA
Each enclosure is meticulously hand-built in Northern California with stringent quality controls, ensuring exceptional craftsmanship.
Laser-Cut Acrylic Badge
The front face proudly displays the Proline X laser-cut acrylic badge, a distinctive mark of outstanding quality and craftsmanship.
Professional Specifications
Physical Dimensions
Construction Details
Perfect For These Applications
Professional-grade enclosure designed for serious audio enthusiasts
Competition Audio
SPL competitions and sound quality events requiring maximum bass output and precision
High-End Vehicles
Luxury cars and premium audio systems demanding professional-grade components
Serious Audiophiles
Audio enthusiasts who refuse to compromise on bass quality and performance
Custom Installations
Professional car audio shops building premium custom sound systems
High-Power Systems
Systems pushing 2000+ watts requiring enclosures built for extreme power handling
Show Vehicles
Car shows and exhibitions where both performance and appearance matter
Performance Line vs Economy Line
Performance P15D-S
- Proprietary Apex MDF Construction
- Advanced Interlocking Bracing
- Laser-Cut Acrylic Badge
- Premium Trunk Liner Finish
- 4ft³ Optimized Airspace
Economy E12D-S
- Standard MDF Ultralight
- Single Internal Brace
- No Premium Badge
- Standard Gray Liner
- 2ft³ Airspace (12" drivers)
Professional Installation Guide
Recommended Amplifier Specifications
Professional Installation Tips
Position away from vehicle walls for optimal bass extension and to prevent rattling
Use 8-12 AWG speaker wire for high-power applications to ensure optimal power transfer
Allow 20-40 hours of moderate play time for optimal performance
Recommended for maximum performance and warranty protection
The Audio Intensity Promise
30+ Years Experience
Three decades of audio engineering expertise, veteran-owned and operated in Northern California
Quality Guarantee
Rigorous quality control from assembly to completion ensures you won't find better boxes for the price
Customer Support
Dedicated support team with extensive knowledge to help you get the most from your investment
Ready to Experience Professional-Grade Bass?
The Proline X Performance P15D-S delivers the power, precision, and quality that serious audiophiles demand. Don't settle for anything less than professional-grade performance.
⚠️ Important: Subwoofers sold separately - enclosure only
📞 Professional installation recommended for optimal performance
Proudly manufactured in Northern California | Veteran-Owned Business | 30+ Years of Audio Excellence