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JL Audio  Dual 12" Sealed Under Rear Seat TW3 Subwoofer Bass Package for 2007-2021 Toyota Tundra Double-Cab-1 New

GS-DTOY212B Black 12" Dual Sealed Enclosure for 2007-2021 Toyota Tundra Double-Cab (under rear seat) + (2) 12TW3-D8 TW3 Series 12" 800W Peak Power Handling 8 Ohms, Dual Voice Coil Shallow-mount Car Subwoofer

Item #99517

Condition:   Brand New

Product Highlights

  • GS-DTOY212B
  • Dual 12"
  • Sealed Enclosure
  • 2007–2021 Toyota Tundra Double-Cab Fit
  • Under Rear Seat Design
  • Black Finish
  • (2) 12TW3-D8 TW3 Series Subwoofers
  • 800W Peak Power Handling
  • 8 Ohms
  • Dual Voice Coil
  • Shallow-Mount Design

  Free 2-Years Warranty Included!
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

$1,469.95

Reg. Price $1,589.98  Save $120.03
60 DAYS Returns Accepted.
FREE Lifetime Tech Support.
FREE Shipping.
60 DAYS Price change protection.

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This exclusive package is brought to you by Onlinecarstereo. We have put together this bundle to kickstart your vehicle to the path of excellent car audio.

Ground Shaker GS-DTOY212B Black 12" Dual Sealed Enclosure for 2007-2021 Toyota Tundra Double-Cab (under rear seat) + (2) JL Audio 12TW3-D8 TW3 Series 12" 800W Peak Power Handling 8 Ohms, Dual Voice Coil Shallow-mount Car Subwoofer


Authorized Dealer Stamp

We are an authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!

What's Inside?
  • • GS-DTOY212B 12" Dual Sealed Enclosure
  • • GS-DTOY212B Owner's Manual
  • • 12TW3-D8 (2) 12" Thin-Line subwoofer
  • • 12TW3-D8 Voice coil connection warning
  • • 12TW3-D8 On-line product registration note
  • 12TW3-D8 Owner's Manual
Custom-Fit Dual 12-Inch Toyota Subwoofer Enclosure

The Ground Shaker GS-DTOY212B dual 12-inch subwoofer enclosure is engineered specifically for select Toyota trucks, providing a vehicle-specific solution that delivers powerful bass without sacrificing valuable cabin space. Built from 5/8-inch high-quality MDF wood, this Toyota subwoofer box offers exceptional durability and acoustic performance, helping maximize the output of your aftermarket subwoofers while maintaining a clean, factory-style appearance.

Premium MDF Construction for Deep, Accurate Bass Performance

Designed for enthusiasts seeking deep, accurate low-frequency response, the GS-DTOY212B dual 12" sealed subwoofer enclosure features precision-cut construction, premium Titebond wood glue, and airtight silicone sealing. This combination minimizes unwanted vibrations and air leaks, resulting in tighter bass, improved sound quality, and enhanced subwoofer efficiency. The durable carpeted trunk-liner finish also adds protection while blending seamlessly with your vehicle's interior.

Upgrade Your Toyota Truck Audio System with the GS-DTOY212B

Whether you're upgrading your daily driver or building a high-performance car audio system, the Ground Shaker GS-DTOY212B provides an ideal foundation for dual 12-inch subwoofers. Its custom-fit design, rugged construction, and optimized sealed enclosure configuration make it a top choice for drivers looking to achieve powerful bass, improved audio clarity, and reliable long-term performance from their Toyota truck sound system upgrade.

 

 

Compact Yet Powerful Bass

The TW3 subwoofer delivers deep, powerful bass from tight spaces with a thin-line design requiring just 3.5" mounting depth, featuring an aluminum-alloy dust cap for heat dissipation and a stylish JL Audio logo.

High-Performance Compact Subwoofer

This subwoofer features a durable mica-filled polypropylene cone with rubber surround for powerful, low-distortion bass, DMA-optimized motor and suspension for tight, articulate sound, and a cast-alloy, space-saving frame with reinforced tab-ears to maximize cone area in compact installations.

 

Versatile High-Power Subwoofer

This subwoofer delivers strong performance in sealed or ported enclosures with 200–400 watts RMS and features dual 8-ohm voice coils for flexible wiring in single or multi-sub setups.

Learn how to wire subwoofers


SPECIFICATIONS


  • Vehicle Make : Toyota
  • Vehicle Model : Tundra

FEATURES


GS-DTOY212B Black 12" Dual Sealed Enclosure for 2007-2021 Toyota Tundra Double-Cab (under rear seat)

Features:

  • 5/8" HIGH QUALITY MDF WOOD: Durable construction for strong, clean bass performance.
  • CARPETED WITH DURABLE TRUNK LINER FINISH: Provides protection and a sleek, factory-style appearance.
  • SEALED WITH HIGH QUALITY TITEBOND SILICONE: Ensures airtight performance for precise low-frequency response.
  • GLUED WITH HIGH QUALITY TITEBOND WOOD GLUE: Offers long-lasting structural integrity.
  • 2 BINDING POST TERMINALS: Secure and reliable connections for your subwoofers.
  • FITS UNDER REAR SEAT: Space-saving design for a clean, hidden installation.
  • UPWARD FIRING:Optimized for in-cabin sound projection.
  • WILL NOT FIT CREW-MAX: Not compatible with Crew-Max models.

 

Specifications:

  • Cutout Diameter: 11 1/8"
  • Air Volume: 1.32 ft³
  • Chambers: 2 individual
  • Volume per Subwoofer: 0.66 ft³
  • Weight: 32 lbs
  • Mounting Depth: 5"
  • Height: 5 1/4"
  • Length: 49 1/4"
  • Depth: 15 1/4”

 

 

 

(2) 12TW3-D8 TW3 Series 12" 800W Peak Power Handling 8 Ohms, Dual Voice Coil Shallow-mount Car Subwoofer

 

Features:

  • Engineered for Big Sound from Tight Spaces: Thin-line TW3 architecture allows deep, powerful bass in compact enclosures—requires only 3.5" mounting depth for 12" models.
  • Design Accents: Aluminum-alloy dust cap aids heat dissipation and extends power handling; JL Audio logo adds a stylish finishing touch.
  • Polypropylene Cone Technology: Durable, mica-filled injection-molded polypropylene cone with rubber surround delivers deep, powerful bass with minimal distortion.
  • Dynamic Motor Analysis (DMA) Optimized Design: Proprietary motor, suspension, and cone modeling ensures long, linear excursion and low distortion for tight, articulate bass at all power levels.
  • Space-Saving Frame Design: Cast-alloy frame with reinforced tab-ear design maximizes cone area while fitting in tight mounting footprints.
  • Powerfully Adaptable: Performs well in sealed or ported enclosures; ideal with amplifiers delivering 200–400 watts RMS.
  • Dual Voice Coils for Flexible Wiring: Dual 8-ohm voice coils provide additional connection options for one or multiple subs.

 

Specifications:
  • Size: 12-inch
  • Impedance: 4, 16 Ohms
  • Cone Material: Mica-filled IMPP
  • Surround Material: Rubber
  • Basket Material: Cast Alloy
  • Grille: None included
  • Free-Air Use: No
  • Dual Voice Coil: Yes
  • Sensitivity: 84.23 dB at 1 watt
  • Frequency Response: 24 – 200 Hz
  • Max RMS Power Handling: 400 W
  • Peak Power Handling: 800 W
  • Top Mount Depth: 3 1/2 in
  • Bottom Mount Depth: N/A
  • Cutout Diameter: 11 5/8 in
  • Frame Width: 12.494 in
  • Frame Length: 13.145 in
  • Vas: 34.12 liters
  • Fs: 32.66 Hz
  • Qts: 0.668
  • Xmax: 15.2 mm
  • Ideal Sealed Box Volume: 1 cu. ft
  • Ideal Ported Box Volume: 1.3 cu. ft

 

  • UPC:
  • Weight: 62
  • Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for repair within 1 year from the original date of purchase with proper return authorization.

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