We are an Ground Shaker authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
This sub box features a 9 1/4" cutout and 1.32 ft³ air volume, delivering crisp, powerful bass for your truck audio system. Weighing just 33 lbs with a 5 1/4" mounting depth, it’s easy to install under your rear seat. Perfect for maximizing sound without taking up extra space, it’s a must-have upgrade for any Ford F-150.
With a front height of 7 1/4”, rear height of 5 1/4”, and a length of 55”, this sub box fits perfectly under your rear seat. Its tapered top and bottom depths of 13 3/4” and 11” optimize airflow for richer, more powerful bass. Enjoy a compact, space-saving design that delivers maximum audio performance without compromise.
Built from 5/8" high-quality MDF wood and finished with a rugged trunk liner carpet, this sub box is engineered for strength and longevity. Premium Titebond silicone and wood glue create an airtight enclosure, delivering deep, clean bass every time. Dual binding post terminals ensure a secure connection for reliable, high-performance sound that enhances any truck audio system.
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We are an Ground Shaker authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
This sub box features a 9 1/4" cutout and 1.32 ft³ air volume, delivering crisp, powerful bass for your truck audio system. Weighing just 33 lbs with a 5 1/4" mounting depth, it’s easy to install under your rear seat. Perfect for maximizing sound without taking up extra space, it’s a must-have upgrade for any Ford F-150.
With a front height of 7 1/4”, rear height of 5 1/4”, and a length of 55”, this sub box fits perfectly under your rear seat. Its tapered top and bottom depths of 13 3/4” and 11” optimize airflow for richer, more powerful bass. Enjoy a compact, space-saving design that delivers maximum audio performance without compromise.
Built from 5/8" high-quality MDF wood and finished with a rugged trunk liner carpet, this sub box is engineered for strength and longevity. Premium Titebond silicone and wood glue create an airtight enclosure, delivering deep, clean bass every time. Dual binding post terminals ensure a secure connection for reliable, high-performance sound that enhances any truck audio system.
