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JL Audio

Stealthbox Dual 10-Inch Subwoofer System

$1,299.95 $1,199.99 Save $99.96

SKU: SB-GM-SLVEXT2/10W1v3/BK

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The JL Audio SB-GM-SLVEXT2/10W1v3/BK is a Stealthbox subwoofer system designed for 2007-2013 Chevrolet Silverado and GMC Sierra Extended Cab Trucks. It features two 10-inch 10W1v3-4 subwoofers in a sealed fiberglass enclosure. This system offers 600 watts of total power handling and is wired to a 2-ohm mono load.
Show original supplier description
This rock-solid, 100% fiberglass enclosure houses twin 10-inch 10W1v3-4 subwoofers, designed for an up-firing installation below the rear driver-side seat to maintain cab space. The system boasts a total RMS power handling of 600 watts (300 watts each) with a recommended power range of 150-600 watts RMS and is wired to a 2-ohm mono load. Key subwoofer features include injection-molded, mica-filled polypropylene cones, rubber surrounds, DMA-optimized motor design, and elevated frame cooling for enhanced power and sound quality. The patented 'floating cone attach method' and Vented Reinforcement Collar contribute to its durability and performance. It includes steel mesh grilles to protect the drivers and utilizes binding post terminals for secure connections. The enclosure is a sealed fiberglass design, ensuring optimal performance from the 10W1v3 subwoofers.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandJL Audio
Part NumberSB-GM-SLVEXT2/10W1v3/BK
CategoryMobile Electronics

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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