Proline X Performance P12-S Sealed Enclosure for 12" Subwoofers
Precision-Built Sealed Enclosure for Deep, Accurate Bass – Compatible with Most 12-Inch Subwoofers
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Premium 12-inch Sealed Subwoofer Box for Exceptional Sound
Upgrade your vehicle's audio system with our high-quality 12-inch sealed subwoofer box. Crafted for audiophiles and casual listeners alike, this custom sealed sub box delivers deep, precise bass that enhances your overall listening experience. Designed to accommodate a single 12-inch subwoofer, our compact subwoofer enclosure is an ideal solution for maximizing sound quality without sacrificing valuable space in your car or truck.
Featuring precision CNC cutting, this car subwoofer box ensures a perfect fit and superior sound isolation. Its compact design makes it a versatile option for all types of vehicles, from sedans and coupes to SUVs and trucks. Covered in your choice of dark gray trunk liner or plush black carpet, it integrates seamlessly into any vehicle interior.
Only premium MDF sourced directly from Oregon is used, ensuring unmatched quality and consistency. Put your subwoofer into the highest quality sealed box available, designed to deliver exceptional performance and durability.
Key Features:
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Rounded Corners for easier installation and aesthetic appeal
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Premium MDF from Oregon for superior quality
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Pre-installed 12-gauge OFC Speaker Wire
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High Power Terminal Cup with Stainless Steel hardware
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Advanced Dado and V Cut Construction for increased strength
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Available in Dark Gray Trunk Liner or Plush Black Carpet
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Precision CNC Cut construction
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Free Shipping
Unmatched Build Quality for Superior Bass
Our 12-inch sealed enclosure is built with advanced Dado and V Cut construction methods, increasing strength and rigidity. This robust design significantly reduces unwanted vibration, allowing for cleaner and more accurate bass reproduction. Each subwoofer enclosure is CNC cut, ensuring exact dimensions and precise assembly for optimal acoustic performance.
Every box is preassembled with ample Titebond II wood glue, enhancing structural integrity and providing an airtight seal. The airtight construction ensures maximum bass output, allowing your 12-inch subwoofer to perform at its best. Enjoy consistent, distortion-free sound with every beat.
Innovative Features for Easy Installation
Designed for convenience, our sealed box subwoofer includes a custom terminal cup prewired with premium 12-gauge OFC speaker wire. Stainless steel hardware is used for maximum durability and corrosion resistance, ensuring a reliable and long-lasting connection. This ready-to-install design simplifies setup, allowing you to quickly and effortlessly integrate your sub box into your existing car audio system.
Rounded corners are another standout feature of our small sealed sub box. This design not only looks visually appealing but also makes installation easier, especially in tight spaces or unique vehicle configurations. Experience the perfect blend of functionality, ease of installation, and aesthetic appeal.
Durable and Stylish Finish
Our subwoofer enclosure 12-inch model offers a choice between two premium finishes—durable dark gray trunk liner or luxurious plush black carpet. Both options provide excellent protection against wear and tear, while also complementing your car’s interior. The stylish finish looks great and adds an additional layer of sound insulation, further enhancing audio quality.
Enjoy free shipping with your purchase, adding extra value to your new car audio enclosure. Invest in a sub-box for cars that delivers premium sound, exceptional quality, and hassle-free installation.
Transform Your Audio Experience Today!
Take your car audio to the next level with our expertly crafted 12-inch sealed subwoofer box. Experience the difference in sound quality, precision, and durability. Order yours now and enjoy free shipping!
Lets Dive Deeper into the Build Quality
Dado & V Cut Construction for Maximum Strength
Preassembled with Titebond II Wood Glue
Rounded Corners for Easy Installation
Custom Terminal Cup with Pre-Installed Wiring
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Enclosure Series |
Performance Series
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Enclosure Type Enclosure Type refers to the design of the subwoofer enclosure, which impacts sound performance. Common types include sealed, ported, and bandpass enclosures.
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Net Volume Net Volume is the internal airspace of a subwoofer enclosure, excluding the space taken up by the subwoofer, port and bracing. It’s crucial for optimal subwoofer performance. Measured in cubic feet or liters.
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Port Opening Port Opening refers to the size of the opening in a ported subwoofer enclosure, which allows air to move in and out, enhancing bass response. Typically measured in square inches.
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Enclosure Material Enclosure Material refers to the type of material used to construct the subwoofer enclosure, such as MDF (medium-density fiberboard) or plywood. It affects durability and sound quality.
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Front Baffle Thickness Front Baffle Thickness refers to the thickness of the front panel of a subwoofer enclosure where the subwoofer is mounted. A thicker baffle adds strength and reduces vibration. Typically measured in inches or millimeters.
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Subwoofer Recess Subwoofer Recess refers to the indentation or cutout in the front baffle of an enclosure, allowing the subwoofer to sit flush with or below the surface for a cleaner look and added protection.
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Panel Thickness Panel Thickness refers to the thickness of the walls of a subwoofer enclosure. Thicker panels provide greater strength and reduce vibrations. Typically measured in inches or millimeters.
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Internal Bracing Internal Bracing refers to structural supports inside a subwoofer enclosure that reduce flexing and vibrations, improving durability and sound quality. It does not affect the enclosure's net volume.
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Terminal Cup(s) Terminal Cup(s) refers to the external connectors on a subwoofer enclosure where the speaker wires are attached. They provide a secure connection between the subwoofer and the amplifier.
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External Width External Width is the total outer width of a subwoofer enclosure, including the wall thickness. It helps determine if the enclosure will fit in the intended space. Typically measured in inches or millimeters.
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External Height External Height is the total outer height of a subwoofer enclosure, including the wall thickness. It helps determine if the enclosure will fit in the intended space. Typically measured in inches or millimeters.
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External Depth External Depth is the total outer depth of a subwoofer enclosure, including the wall thickness. It helps determine if the enclosure will fit in the intended space. Typically measured in inches or millimeters.
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Subwoofer Mounting Depth |
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Subwoofer Cutout Subwoofer Cutout refers to the diameter of the opening in the enclosure where the subwoofer is mounted. It must match the subwoofer's size for a proper fit. Typically measured in inches or millimeters.
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Number of Cutouts |
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Finish Finish refers to the outer surface material or coating of the subwoofer enclosure. It affects the enclosure's appearance and durability. Common finishes include carpet, vinyl, or paint.
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Proline X Performance P12-S Sealed Enclosure for 12" Subwoofers