Proline X E12-S Sealed Enclosure

Professionally Maintained Demo Units
Every demo unit has been carefully maintained by our certified technicians. These aren't customer returns or damaged goods - they're the same high-quality equipment we've used to demonstrate premium sound to our customers for years.

Pre-Tested & Verified
Unlike typical clearance sales, every item has been tested and verified by our technical team. We stand behind the quality of our relocation inventory.

Everything Must Go Pricing
These aren't regular sale prices - this is genuine "moving warehouse" pricing. Discounts you simply won't find under normal retail circumstances.

Trade Show Display Models
Many items are pristine display models from major audio trade shows - equipment that's been seen but never installed. These pieces often include special editions or limited releases not available through regular retail channels.
Proline X E12-S Single 12" Sealed Enclosure
Premium Car Audio Bass Solution That Won't Break the Bank
Uncompromising Quality at an Economical Price Point
The Proline X E12-S Single 12" Sealed Enclosure delivers unparalleled sound quality while staying budget-friendly. As a cornerstone of the Proline X economy line, this sealed enclosure makes no compromises in providing excellent, deep, and clear bass output. Perfect for music lovers who are conscious of their spending but refuse to compromise on audio quality.
Why Choose the E12-S?
Hand-Built in USA
Every enclosure is hand-built by skilled artisans in the United States, adhering to stringent quality controls and Made in USA standards.
Precision CNC Cut
Features precision CNC cut MDF Ultralight material for maximum durability and optimized sound performance with seamless connections.
Smart Engineering
Single internal brace and interlocking design maintains structural integrity while minimizing sound distortion for clearer bass output.
Premium Finish
Aesthetically pleasing rounded external edges with sleek grey trunk liner that integrates seamlessly into any car interior.
Quality Terminals
High-quality terminal cups ensure reduced signal loss and improved overall sound quality with secure, reliable connections.
Ultralight Design
MDF Ultralight construction provides the perfect balance of strength and weight, delivering efficient sound resonance.
Complete Specifications
Specification | Details |
---|---|
Enclosure Type | Sealed (Acoustic Suspension) |
Subwoofer Capacity | Single 12" driver |
Internal Volume | 1.1 cubic feet |
External Dimensions | 19" W × 13.5" D × 10.5" H |
Construction Material | CNC-cut MDF Ultralight |
Internal Bracing | Single internal brace |
Finish | Grey trunk liner |
Manufacturing | Hand-built in USA (Northern California) |
Perfect For These Applications
Professional Installation Tips
Amplifier Matching
Pair with 300-600W RMS amplifiers for optimal performance
Optimal Placement
Position in trunk corners for maximum bass extension
Wiring Best Practices
Use 12-14 AWG speaker wire for best power transfer
The Audio Intensity Advantage
When you choose Proline X, you're not just buying an enclosure – you're investing in 30+ years of audio innovation. Our veteran-owned company has built a reputation for delivering professional-grade car audio solutions at accessible prices.
30+ Years
of Audio Engineering Excellence
Ready to Upgrade Your Car Audio Experience?
The Proline X E12-S is your gateway to professional-grade bass performance without the professional-grade price tag.
Important Information
- Subwoofer sold separately - This listing is for the enclosure only
- Professional installation recommended for optimal performance and warranty coverage
- Pair with other Proline X components for maximum audio system synergy
Don't Compromise on Quality
Make the smart choice with the Proline X E12-S Single 12" Sealed Enclosure. Experience the perfect blend of affordability, American-made quality, and professional audio performance.
Proline X E12-S Sealed Enclosure
Frequently Asked Questions
Are these items authentic, and why are the prices so low?
This sale includes demo units we've used for customer demonstrations since 2016, new-old-stock from discontinued product lines, display models from trade shows, and carefully curated inventory we've collected over nearly a decade. Most items include original packaging where available.
What types of items are included in the relocation sale?
Our relocation sale includes demo units we've used for customer demonstrations, new old stock from discontinued product lines, and display models from trade shows. All items are genuine products from top car audio brands - we're simply clearing inventory we can't take to our new location. Items range from amplifiers and speakers to processors and accessories accumulated over nearly 10 years at this location.
Do sale items come with manufacturer warranties?
Warranty coverage varies by item and condition. New old stock items typically include full manufacturer warranty if still valid. Demo and display items may have limited or no manufacturer warranty remaining. We clearly state warranty status in each product description. All sales are final on relocation sale items.
How does shipping work for relocation sale items?
We ship relocation sale items using the same careful packaging methods as our regular inventory. Shipping costs are calculated at checkout based on size and weight. For multiple item purchases, we'll combine shipping where possible to save you money. Large items like subwoofer boxes may require freight shipping with additional costs.
Can I return or exchange relocation sale items?
All relocation sale items are sold as-is with no returns or exchanges. We encourage local pickup customers to inspect items before purchasing. For shipped items, we provide detailed descriptions and photos. Since we're relocating, we cannot accommodate returns or warranty service after the sale period ends.