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The Ground Shaker GS-DTOYP112B is built for Toyota Tundra Double-Cab owners who want powerful bass while keeping their truck interior clean and functional. Designed to fit perfectly under the rear seat of 2007–2021 Toyota Tundra Double-Cab models, this enclosure delivers strong low-end performance without taking up valuable cabin space. Its upward-firing design helps spread bass evenly throughout the truck, giving your music a fuller and harder-hitting sound every time you turn up the volume.
With a tuned frequency of 35 Hz and 0.72 ft³ of internal air volume, this ported enclosure is designed to produce deep, punchy bass with excellent low-frequency extension. The precision-engineered slot port improves airflow for cleaner output and reduced port noise, while the 11 1/8" cutout and 4 3/4" mounting depth make it compatible with many popular 12-inch subwoofers. Whether you’re listening to hip-hop, rock, EDM, or country, this box delivers tight and responsive bass that makes every drive more enjoyable.


Constructed from durable 5/8" high-quality MDF wood, the GS-DTOYP112B is made to stay solid even during heavy bass sessions. Premium Titebond wood glue and airtight silicone sealing help reduce unwanted vibrations and air leaks for cleaner sound performance. The rugged trunk liner carpet finish gives the enclosure a factory-style appearance while protecting it from daily wear and tear. A sturdy binding post terminal provides secure speaker connections for an easier and more reliable install. Just note, this enclosure is not compatible with Crew-Max models.

This is a single 12-inch subwoofer designed to provide a powerful bass response in a slim and compact form factor. This subwoofer features a 1.5” aluminum voice coil, a cast aluminum frame, and a vented magnet assembly for improved heat dissipation. The T1S1-12 is capable of producing up to 600 watts of RMS power and 1200 watts of peak power, making it ideal for use in a variety of audio systems. The subwoofer's slim design allows for easy installation in tight spaces, making it perfect for compact vehicle
This design is one of the most powerful and efficient in the industry. The T1S1-12 utilizes a neodymium motor structure, which is a combination of a high-strength steel frame, a powerful magnet, and an optimized voice coil. This combination allows for the highest power handling and the lowest distortion levels. With its heavy-duty suspension and a large, long-throw motor, the T1S1-12 delivers deep, powerful bass that will satisfy even the most discerning audiophile.


The 12-inch subwoofer is designed to produce deep, powerful bass. It features a vented pole piece with a large surface area for improved cooling and increased power handling. The subwoofer is constructed from a lightweight cast aluminum frame with a durable rubber surround for increased durability. The T1S1-12 is rated for up to 600 watts RMS, and includes a built-in shorting ring for increased linearity at higher frequencies.
Grille insert is an optional grille designed specifically for the T1S1-12 subwoofer. It is designed to provide protection and style to the subwoofer, while maintaining a sleek, low-profile look. This grille insert is made from durable ABS plastic, and is finished in a black powder coating. It is easy to install, and can be used with the T1S1-12 subwoofer for a great sound system setup.

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