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Main image of Alpine Type S S-W12D4 12" Sub Box Fits 2014-2018 GMC Sierra Double Cab | Dual 4 ohm Single subwoofer, 1800 watt peak power, vehicle-specific enclosure, deep truck bass, 12 inch

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Alpine Type S S-W12D4 12" Sub Box Fits 2014-2018 GMC Sierra Double Cab | Dual 4 ohm Single subwoofer, 1800 watt peak power, vehicle-specific enclosure, deep truck bass, 12 inch

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2014 - 2018 GMC Sierra Double Cab Alpine Type S S-W12D4 Single 12 Sub Box New - Final 2 Ohm This custom-fit subwoofer enclosure is designed specifically for the 2014-2018 GMC Sierra Double Cab, offering a precise fit for your truck's cabin space. It houses a single 12-inch Alpine Type S S-W12D4 subwoofer, delivering solid bass response for a wide range of music genres. The box is built with durable materials to ensure long-lasting performance, and it is wired to a final 2-ohm load, making it a practical choice for various amplifier setups. This enclosure is a neat solution for adding deep, punchy low-end to your Sierra's audio system without taking up excessive cargo room

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2014 - 2018 GMC Sierra Double Cab Alpine Type S S-W12D4 Single 12 Sub Box New - Final 2 Ohm This custom-fit subwoofer enclosure is designed specifically for the 2014-2018 GMC Sierra Double Cab, offering a precise fit for your truck's cabin space. It houses a single 12-inch Alpine Type S S-W12D4 subwoofer, delivering solid bass response for a wide range of music genres. The box is built with durable materials to ensure long-lasting performance, and it is wired to a final 2-ohm load, making it a practical choice for various amplifier setups.

This enclosure is a neat solution for adding deep, punchy low-end to your Sierra's audio system without taking up excessive cargo room

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First Listed on Newegg	August 17, 2026

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