12 Inch Subwoofer Boxes

High-Quality 12-Inch Subwoofer Enclosures

Audio Intensity offers a premium selection of 12-inch subwoofer enclosures designed to deliver deep, resonant bass and crystal-clear audio. These enclosures are crafted using high-quality materials and precision engineering to ensure superior sound performance and durability. Each product is built to optimize the output of 12-inch subwoofers, making them a perfect choice for enhancing any car audio system.

Durable and Versatile Designs

The 12-inch subwoofer enclosures from Audio Intensity come in both sealed and ported configurations, catering to different audio preferences and installation needs. Sealed enclosures provide tight, accurate bass, while ported enclosures enhance bass output for a more robust sound. With a commitment to quality, these enclosures are built to last, offering an exceptional audio experience for car enthusiasts.

12 Inch Subwoofer Enclosure - Audio Intensity
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Proline X E12-S Sealed Enclosure|Proline X|Audio Intensity Proline X E12-S Sealed Enclosure|Proline X|Audio Intensity
Proline X

Proline X E12-S Sealed Enclosure

Regular price $ 110.00
Sale price $ 110.00 Regular price $ 0.00
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Proline X E12-S Single 12" Sealed Subwoofer Enclosure – Elevate Your Bass Experience Without Breaking...
Proline X Performance P12-S Sealed Enclosure for 12" Subwoofers|Proline X|Audio Intensity Proline X Performance P12-S Sealed Enclosure for 12" Subwoofers|Proline X|Audio Intensity
Proline X

Proline X Performance P12-S Sealed Enclosure for 12" Subwoofers

Regular price $ 119.99
Sale price $ 119.99 Regular price
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  Proline X Performance P12-S Sealed Enclosure for 12" Subwoofers: Unparalleled Quality, Hand-Built in the...
Proline X E12D-S Sealed Dual Enclosure for 12" Subwoofers|Proline X|Audio Intensity Proline X E12D-S Sealed Dual Enclosure for 12" Subwoofers|Proline X|Audio Intensity
Proline X

Proline X E12D-S Sealed Dual Enclosure for 12" Subwoofers

Regular price $ 120.00
Sale price $ 120.00 Regular price $ 0.00
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Proline X E12D-S Dual 12" Sealed Enclosure: Where Affordability Meets QualitynOverviewnUnleash the full potential of...
Proline X Performance P12D-S Sealed Enclosure for Dual 12" Subwoofers|Proline X|Audio Intensity Proline X Subwoofer Enclosures Proline X Performance P12D-S Sealed Enclosure for Dual 12" Subwoofers
Proline X

Proline X Performance P12D-S Sealed Box for Dual 12" Subwoofers

Regular price $ 159.99
Sale price $ 159.99 Regular price
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  Proline X Performance P12D-S Sealed Enclosure for Dual 12" Subwoofers Elevate Your Audio Experience...
Proline X Performance Optimized Sealed Enclosure for Single 12" Arc Audio Subwoofers|Proline X|Audio Intensity Proline X Performance Optimized Sealed Enclosure for Single 12" Arc Audio Subwoofers|Proline X|Audio Intensity
Proline X

Proline X Performance Optimized Sealed Enclosure for Single 12" Arc Audio Subwoofers

Regular price $ 159.99
Sale price $ 159.99 Regular price
Unit price
Introduction Experience the pinnacle of audio performance with the Proline X Enclosure, expertly crafted for...
Proline X Performance P12-P Ported Enclosure for 12" Subwoofers|Proline X|Audio Intensity Proline X Performance P12-P Ported Enclosure for 12" Subwoofers|Proline X|Audio Intensity
Proline X

Proline X Performance P12-P Ported Box for 12 inch Subwoofers

Regular price $ 169.99
Sale price $ 169.99 Regular price
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Proline X Performance P12-P Ported Enclosure for 12" Subwoofers: Enhance Your Sound Quality Overview Introducing...
Proline X Performance P12D-P Ported Enclosure for Dual 12" Subwoofers|Proline X|Audio Intensity Proline X Subwoofer Enclosures Proline X Performance P12D-P Ported Enclosure for Dual 12" Subwoofers
Proline X

Proline X Performance P12D-P Ported Enclosure for Dual 12" Subwoofers

Regular price $ 199.99
Sale price $ 199.99 Regular price
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Proline X Performance P12D-P Ported Enclosure for Dual 12" Subwoofers: Unmatched Performance, Unbeatable Value\nTransform your...
Helix E12w 12" Subwoofer System|Proline-X|Audio Intensity Helix E12w 12" Subwoofer System|Proline-X|Audio Intensity
Proline X

Helix E12w 12" Subwoofer System

Regular price $ 199.99
Sale price $ 199.99 Regular price
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Unmatched Sound Quality in a Slimline Design Dive deeper into the unparalleled audio experience with...
Proline X Downfiring Single 12" Sub Enclosure - Hertz|ProLine X|Audio Intensity
Proline X

Proline X Downfiring Single 12" Sub Enclosure - Hertz

Regular price $ 199.99
Sale price $ 199.99 Regular price
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Proline X Single 12" Downfiring Sealed Sub Enclosure (Hertz Edition): Elevate Your Audio Experience. When...
Proline X Performance Optimized Sealed Enclosure for Dual 12" Arc Audio Subwoofers|Proline X|Audio Intensity Proline X Performance Optimized Sealed Enclosure for Dual 12" Arc Audio Subwoofers|Proline X|Audio Intensity
Proline X

Proline X Performance Optimized Sealed Enclosure for Dual 12" Arc Audio Subwoofers

Regular price $ 199.99
Sale price $ 199.99 Regular price
Unit price
Introduction Unlock the full potential of your dual 12" Arc Audio subwoofers with the Proline...
Arc Audio A12 12" Subwoofer System|Proline-X|Audio Intensity Arc Audio A12 12" Subwoofer System|Proline-X|Audio Intensity
Proline X

Arc Audio A12 12" Subwoofer System

Regular price $ 199.99
Sale price $ 199.99 Regular price
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Unmatched Sound Quality in a Slimline Design Dive deeper into the unparalleled audio experience with...
Arc Audio A12 12 inch Sealed Down Firing Subwoofer Enclosure|ProLine X|Audio Intensity Arc Audio A12 12 inch Sealed Down Firing Subwoofer Enclosure|ProLine X|Audio Intensity
Proline X

Arc Audio A12 12 inch Sealed Down Firing Subwoofer Enclosure

Regular price $ 199.99
Sale price $ 199.99 Regular price
Unit price
Transform Your Vehicle's Sound with Proline X's Innovative Downfire Enclosure Design   Overview Introducing the...
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Unmatched Bass Performance


Audio Intensity's collection of 12-inch subwoofer enclosures is meticulously designed to enhance bass performance in car audio systems. Featuring top models like the Proline X Performance P12-S Sealed Enclosure and the Proline X E12D-S Dual Sealed Enclosure, these enclosures are made from premium materials, ensuring both durability and superior sound quality. They are engineered for easy installation and compatibility with various subwoofer models, making them perfect for boosting bass output and audio clarity.

Innovative and Versatile Designs


The range includes both vented and sealed enclosures, catering to different audio preferences and installation requirements. Vented enclosures, such as the Proline X Performance P12-P Ported Enclosure, offer louder, more resonant bass, ideal for open spaces. Sealed enclosures, like the Proline X Performance P12D-S Dual Sealed Enclosure, provide tight, accurate bass with minimal distortion, perfect for confined areas. These designs maximize performance in diverse settings while maintaining high sound quality.

Built for Durability


Crafted to withstand the challenges of automotive environments, Audio Intensity's 12-inch subwoofer enclosures are constructed using high-quality materials and innovative designs for long-lasting performance. Features such as reinforced corners and precision-engineered airflow systems enhance durability and sound clarity, making these enclosures a reliable choice for car audio enthusiasts seeking powerful, consistent bass.

Transforming the Listening Experience
Designed to provide an immersive listening experience, these 12-inch subwoofer enclosures deliver deep, powerful bass that elevates the audio quality. Whether upgrading an existing setup or building a new audio system, these enclosures offer unmatched performance and sound clarity, transforming every drive into a concert-like experience.

12 Inch Subwoofer Boxes

Frequently Asked Questions

What is the best size box for a 12-inch subwoofer?

The best size box for a 12-inch subwoofer depends on the type of enclosure:

  • Sealed Enclosure: It typically requires 1.0 to 1.5 cubic feet of airspace, which provides tighter, more accurate bass.
  • Ported Enclosure: Generally needs 1.5 to 2.5 cubic feet of airspace. This produces a louder, deeper bass.

Always check the manufacturer's specifications for the exact recommended airspace for your specific subwoofer model.

Should I get a sealed or ported box for my 12-inch subwoofer?

The choice between a sealed and ported box depends on your audio preferences:

  • Sealed Box: Offers tighter, more accurate bass. Ideal for music genres that require precise bass like rock, jazz, and classical. Sealed enclosures are typically more compact.
  • Ported Box: Produces louder, deeper bass. Great for bass-heavy genres like hip-hop, EDM, and reggae. Ported enclosures require more space.

Consider your listening preferences and available space to decide which type best suits your needs.

Do subs hit harder in a bigger box?

Subwoofers can produce deeper and louder bass in a larger, ported box due to increased air movement, which enhances low-frequency response. However, the box size must match the subwoofer's specifications. An oversized box for a sealed subwoofer can negatively impact sound quality, making it sound less accurate and muddy. Always follow the manufacturer's recommended enclosure size for optimal performance.

Do 10 inch subs hit harder than 12s?

Generally, 12-inch subwoofers produce deeper and more powerful bass due to their larger surface area, allowing them to move more air. However, "hitting harder" can depend on various factors such as enclosure type, amplifier power, and the specific subwoofer model. A high-quality 10-inch subwoofer in an optimal setup can perform very well and might feel more impactful than a poorly matched 12-inch subwoofer setup.