JL Audio Stealthbox® Enclosed Subwoofer for Chevrolet/GMC Full-size SUVs (SB-GM-

JL Audio Stealthbox® Enclosed Subwoofer for Chevrolet/GMC Full-size SUVs (SB-GM-

Experience high-displacement low-frequency authority and unlock intense studio bass presence with a premium loaded subwoofer enclosure from JL Audio. Universally celebrated for engineered perfection and proprietary vehicle-specific applications like the legendary Stealthbox® series, these non-flexing premium sub systems harness advanced chamber loading acoustics to deliver jaw-dropping bass depth and tight mechanical responsiveness built to out-rank standard systems.

Product Overview & Core Highlights:

PART NUMBER 010-03728-00

Our engineers developed a subwoofer solution that installs invisibly, behind the driver's side cargo panel, with no loss of storage space. This Stealthbox is equipped with one of our innovative, 10-inch TW3 thin-line subwoofers in a custom-formed, sealed enclosure.


Stealthbox installs behind the driver side cargo trim panel. Replaces the OEM “subwoofer” system, if equipped. This is made for 2021-up Chevrolet/GMC full-size SUVs.

🚨 Critical Performance Specifications:

• Package Quantity Configuration: Sold Individually (Includes 1 High-Output Component Unit)
• Manufacturer Part Number (MPN): 010-03728-00
• Product Category Component: Subwoofer Enclosures
• Physical Hardware Sizing: 8-Inch Layout Profile
• Total Package Boxed Shipping Weight: 30.0 lbs