General
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Skar Audio introduces its SK series line-up of high-performance subwoofer enclosures to bridge the gap between competition-grade quality and universal fit pre-fabricated enclosures. The SK1X18V subwoofer enclosure is a 18-inch, universal fit, ported, subwoofer enclosure that is designed for maximum bass and responsiveness. Finished in a premium black carpet and featuring the Skar Audio logo on the lower left side, this enclosure will look sleek and attractive in any application.

Quick Facts

Internal Air Space (Volume) 4.75 ft³

Tuning Frequency 29 Hz

Cut-Out Diameter 16.625"

Mounting Depth 13.50"

When setting out to offer a line-up of premium, universal fit, subwoofer boxes, the end goal was to deliver a final product that was unlike anything else available on the market; setting new standards for quality and performance. The enclosure features a kerf style port, which means that the port construction utilizes the curves typically found only in custom, high-end, professional enclosures, allowing the box to offer deeper and more accurate bass. Furthermore, it’s precisely tuned to ensure that it delivers riveting low-end frequency response and the type of bass that turns heads from outside the vehicle.

The differentiating features that put this box in a league of its own don't stop there though; this 18-inch vented enclosure also utilizes high-end materials during construction, ensuring durability and reliability. On top of its outstanding craftsmanship, this box is also braced for extreme strength, and can handle even the most brutally powerful subwoofers. Internally, we line several walls of the enclosure with poly-fill to enhance the overall versatility and depth of sound that this enclosure reproduces with any given subwoofer. The premium push terminal wiring cup, that is built into the side of the enclosure, features 16-gauge speaker wire that is pre-soldered and connected to the terminals, making it easier than ever to wire up and install your subwoofer.

Quick Facts
Internal Air Space (Volume)	4.75 ft³
Tuning Frequency	29 Hz
Cut-Out Diameter	16.625"
Mounting Depth	13.50"

General Specifications
Subwoofer Size	18"
Enclosure Type	Vented (Ported)
Port Type	Kerf Style (Maximum Bass)
Fit Type	Universal Design
Number of Subwoofer Chambers	1
Total Gross Box Volume	4.75 ft³
Tuning Frequency of Enclosure	29 Hz
Wood Type	3/4" MDF
Enclosure Finish	Premium Black Carpet
Push Terminal Opening Size	8 Gauge

Subwoofer Mounting Paramters
Subwoofer Hole Cut-out Diameter	16.625"
Subwoofer Maximum Depth	13.50"

Enclosure External Dimensions
Height	21.375"
Width	25.75"
Depth 1 (Bottom) ^{Front to Back}	23.625"
Depth 2 (Top) ^{Front to Back}	19.75"

Subwoofer Model Fits

SDR-18 D2/D4

EVL-18 D2/D4

ZVX-18v2 D1/D2

Subwoofer Model	Fits
SDR-18 D2/D4
EVL-18 D2/D4
ZVX-18v2 D1/D2

Subwoofer Boxes & Enclosures

Size

Type

Finish

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