JL Audio SB-J-GCHWK2/10W3v3/BK 10" Stealthbox 500W 4Ω 2011–2021 Jeep Grand Cherokee (WK2) 010-03100-00 (94508)

JL Audio SB-J-GCHWK2/10W3v3/BK Stealthbox® is a vehicle-specific enclosed subwoofer system built for the 2011–2021 Jeep Grand Cherokee (WK2). It installs into the passenger-side rear cargo panel to add deep, accurate bass while preserving usable cargo space and maintaining an integrated, factory-style appearance. This system is loaded with a single 10" JL Audio 10W3v3 subwoofer driver.

Power / Load: 500 W RMS continuous power handling with a 4 Ω nominal impedance. Pair it with a JL Audio monoblock amplifier that can deliver clean power into a 4 Ω load, then set gain appropriately for controlled output and long-term reliability.

Key Features

• Vehicle-specific JL Audio Stealthbox® enclosed subwoofer system
• Passenger-side rear cargo panel installation
• Acoustic Suspension (sealed) enclosure design
• Loaded with (1) 10" JL Audio 10W3v3 subwoofer
• Continuous power handling: 500 W RMS
• Nominal impedance: 4 Ω
• Steel mesh grille included
• If equipped, requires removal of the factory “subwoofer”

Vehicle Compatibility

2021 Jeep Grand Cherokee WK2 JL Audio Stealthbox Subwoofer Upgrade

This compatibility table lists exact year, make, and model applications for the SB-J-GCHWK2/10W3v3/BK. It is built so shoppers and AI shopping tools can match vehicle-specific JL Audio Stealthbox fitment without relying only on broad “up” year ranges. Always verify trim, factory audio configuration, seat/cargo layout, and installation location before ordering.

Recommended Amplifier Matching (Sold Separately)

For best performance, pair this Stealthbox with a JL Audio monoblock amplifier capable of delivering clean power into a 4 Ω load:

• JL Audio RD500/1 – strong match for 4 Ω Stealthbox systems
• JL Audio JD500/1 – efficient monoblock option for clean, controlled bass
• JL Audio XDM600/1 – headroom-capable option with proper gain setup
• JL Audio VX600/1i – integrated DSP for advanced tuning and integration
• JL Audio HD750/1 – premium option with gain set appropriately for the system

Technical Specifications

Ideal Applications

• OEM-style subwoofer upgrade that preserves cargo space
• Daily-driven Grand Cherokee bass upgrade with integrated mounting
• Clean, controlled low-end without a bulky enclosure in the cargo area

What’s Included

• JL Audio Stealthbox® loaded enclosure (SB-J-GCHWK2/10W3v3/BK)
• (1) JL Audio 10W3v3 subwoofer (installed)
• Steel mesh grille
• Mounting hardware (as supplied by JL Audio)

Frequently Asked Questions

• Will this fit a 2021 Jeep Grand Cherokee WK2? Yes. The compatibility table above lists 2021 Jeep Grand Cherokee WK2 as a fitment for this JL Audio Stealthbox. Verify trim, factory audio configuration, seat/cargo layout, and installation location before ordering.
• What amplifier should I use with this Stealthbox? Use the Recommended Amplifier Matching section above and match the amplifier to 500 W RMS at 4 Ω. Gain setting and tuning matter.
• Is this a complete audio system? No. This listing is for the vehicle-specific SB-J-GCHWK2/10W3v3/BK Stealthbox subwoofer system. A complete installation may require an amplifier, power wiring, signal integration, tuning, and installation accessories.

Why Buy From MCOR Automotive

• Fitment-first verification (WK2 chassis, years, and interior requirements)
• Correct amp matching guidance for the right load and clean output
• Real install experience and support from a performance-focused shop
• Careful handling and packaging for premium Stealthbox enclosures

Stealthbox Fitment & Return Policy

Stealthbox products are vehicle-specific and non-returnable. Customers should verify fitment before ordering. If unsure, use our Fit Guide or contact us through the chat button before purchase.

Authorized Retailer & Warranty

MCOR Automotive is an authorized JL Audio / Garmin retailer. Products purchased from MCOR include applicable manufacturer warranty coverage when installed and used according to manufacturer guidelines.