CALL US: 310-526-8635
JL Audio :: SB-GM-SLVCC2/12TW3/TN :: $1,299.99


Item# 46827

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

Sorry, this product is no longer available.

Highly Recommended Alternatives

Highly Recommended Alternatives

What's Included:

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

Product Highlights:

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


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


    Enclosure Features:

  • 2007-2013 Chevrolet Silverado / GMC Sierra Crew Cab Trucks with Light Cashmere interior
  • Also available in the following OEM Colors:
  • Ebony: JL Audio SB-GM-SLVCC2/12TW3/BK
  • Light Titanium: JL Audio SB-GM-SLVCC2/12TW3/GA
  • 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 Cashmere
  • Color Match Grade: Fair
  • UPC: 699440945813
  • Weight: 81
  • 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.