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JL Audio :: SB-GM-SLVCC2/12TW3/GA :: $1,299.99


Item# 46831

Two 12TW3-D4 12" Stealthbox® for 2007-2013 Chevrolet Silverado / GMC Sierra Crew Cab Trucks with Light Titanium interior

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What's Included:

  • Owner's Manual
  • Two JL Audio 12TW3-D4 Subwoofer

Product Highlights:

  • Magnet: Single stacked
  • Cast alloy frame
  • Very small sealed enclosure volume requirements
  • DMA-optimized motor designs
  • Matching Amplifier: JL Audio XD1000/1v2
  • Patented "floating cone attach method" technology
  • Wired to a 4 ohm load
  • Injection molded, mica-filled polypropylene cone
  • Recommended power range: 400 - 800 watts RMS
  • Precision-built in USA at JL Audio's Miramar, Florida factory
  • No pole vent: permits mounting close to rear wall of enclosure.
  • Frequency Response: 22-200 Hz
  • Aluminum-alloy dust cap and rear cap with JL Audio logo
  • Two JL Audio 12TW3-D4 Subwoofer
  • RMS: 800 watts total / 400 watts each
  • Rubber surround
  • Very long linear excursion capability
  • Patented "concentric tube" architecture
  • Sensitivity: 84.11 dB
  • Xmax: 15.2 mm
  • Number Of Subwoofers: 2
  • Speaker Size: 12 Inches
  • Vehicle Make: Chevrolet Silverado
  • Vehicle Make: GMC Sierra Crew Cab Trucks

Whether your truck is used to work hard or play even harder, this vehicle brings a whole lot to the table: from great towing and hauling capabilities to powerful engine options, a spacious interior and a smooth ride. Amidst an evolving truck market complicated with special features and touch screens, the massive GM Crew Cab trucks have stuck to their model of simplicity and comfort.

Our Stealthbox® enhances this design by adding quality bass without losing precious space or functionality. The Stealthbox® slips under the truck's rear seat and features two of our revolutionary 12TW3 thin-line subwoofers, giving you absolutely stellar sub-bass impact and quality. We even left a perfect spot for a clean amplifier installation!

The Hard Data: Contains two 12TW3-D4 subwoofers in a down-firing sealed enclosure. 800 watt power handling. Wired for a 4 ohm load. Installs under rear seat. Will not affect the folding of the rear seat or rear leg room.Will not fit “Classic” models.


Woofer Surround Rubber
Total RMS Power Handling 800 watts
Box Exterior Color Gray
Box Style/Shape Vehicle Specific
RMS Power Handling 400 watts
Number of Terminals 1
Terminal Type Binding posts
Impedance (Per Voice Coil) 4 ohms
Box Finish Carpet
Woofer Composition Mica Injected Polypropylene (MIPP)
Subwoofer Design Round / Circle
Number of Subs/Speakers 2
Voice Coil(s) Dual
Final Wired Impedance 4 ohms
Sensitivity 84.11 dB
Frequency Response 22 - 200 Hz
Xmax (millimeters) 15.2 mm
Subwoofer Size 12"
Compatible Vehicle Make and Model Chevy Silverado, GMC Sierra
Type of Enclosure Loaded
Box Type Sealed


Enclosure Features:

  • 2007-2013 Chevrolet Silverado / GMC Sierra Crew Cab Trucks with Light Titanium interior
  • Also available in the following OEM Colors:
  • Light Cashmere: JL Audio SB-GM-SLVCC2/12TW3/TN
  • Ebony: JL Audio SB-GM-SLVCC2/12TW3/BK
  • Dark Titanium: JL Audio SB-GM-SLVCC2/12TW3/DG
  • Down-firing design
  • Sealed enclosure
  • Stealthbox® installs neatly under rear seat
  • Will not affect the folding of the rear seat
  • Will not affect rear leg room
  • Will not fit "Classic" models
  • Binding post terminals for secure and sturdy connection and installation
  • OEM Color: Light Titanium
  • Color Match Grade: Good
  • UPC: 699440945820
  • Weight: 84
  • Authorized Internet Dealer
*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to for replacement within 30 days from the original date of purchase with proper return authorization. After the 30 day time period, products must be returned to their original manufacturer for the remainder of the manufacturer's warranty period.