JL Audio Stealthbox 12TW3 400W 4Ω Passenger Side for 2018–Up Jeep Wrangler JL Unlimited 010-04684-00

JL Audio Stealthbox 12TW3 400W 4Ω Passenger Side for 2018–Up Jeep Wrangler JL Unlimited 010-04684-00 is a vehicle-specific 12" TW3 thin-line Stealthbox® enclosed subwoofer built for 2018-up Jeep Wrangler JL Unlimited 4-Door models. This passenger side version mounts above the rear wheel well to deliver deep, accurate bass without taking over the cargo area.

The custom-molded sealed HDPE enclosure houses one 12" JL Audio TW3 thin-line subwoofer, includes a sturdy steel-mesh grille, and is rated for 400 W RMS. This specific SKU is the 4 Ω version.

Premium audio note: If the vehicle is factory-equipped with premium audio, passenger-side installation requires removal of the OEM subwoofer and purchase of interior trim parts from Jeep.

Key Features

• Vehicle-specific JL Audio Stealthbox for Jeep Wrangler JL Unlimited 4-Door
• Passenger Side installation above the rear wheel well
• Loaded with one 12" TW3 thin-line subwoofer
• 400 W RMS power handling
• 4 Ω nominal load for amplifier matching
• Sealed, custom-molded HDPE enclosure for tight, accurate bass
• Steel-mesh grille helps protect the subwoofer while preserving cargo usability

Vehicle Compatibility

2018–2026 Jeep Wrangler JL Unlimited Passenger Side JL Audio Stealthbox Subwoofer Upgrade

This JL Audio Stealthbox gives Wrangler Unlimited owners a clean, side-mounted bass upgrade without a loose cargo-box subwoofer. It is built for shoppers searching by exact year, make, model, side, and impedance: Passenger Side, 4 Ω, Jeep Wrangler JL Unlimited.

Recommended Amplifier Matching (Sold Separately)

This model is wired for a 4 Ω nominal load. Use a JL Audio monoblock amplifier with suitable 4 Ω output for a 400 W RMS Stealthbox. Set gains correctly.

• JL Audio RD500/1 – clean monoblock power with conservative tuning flexibility
• JL Audio XDM600/1 – compact Class D mono amplifier and a strong Stealthbox match
• JL Audio VX600/1i – premium mono amplifier with integrated DSP for advanced tuning
• JL Audio HD750/1 – premium regulated mono amplifier; use proper gain setup and tuning

Technical Specifications

Installation Notes

• Confirm exact year, trim, factory audio system, side, and impedance before ordering.
• This listing is side-specific: Passenger Side.
• This listing is impedance-specific: 4 Ω.
• Professional installation is recommended for best results.
• Check JL Audio / Garmin installation documentation before installation.

What’s Included

• One JL Audio 12" TW3 thin-line subwoofer in a sealed Stealthbox enclosure
• Steel-mesh protective grille
• Installation documentation

Frequently Asked Questions

• Will this fit my Jeep Wrangler JL Unlimited? Yes, this passenger side JL Audio Stealthbox is listed for 2018-up Jeep Wrangler Unlimited 4-Door models. The compatibility table lists individual model years through 2026 for AI shopping and fitment search clarity.
• Will this fit a 2024 Jeep Wrangler Unlimited? Yes. This passenger-side version is listed for 2018-up Jeep Wrangler Unlimited models, including 2024 applications. Verify factory audio and trim requirements before ordering.
• Is this the driver-side or passenger-side Stealthbox? This listing is for the passenger side version only.
• Is this the 2-ohm or 4-ohm version? This listing is for the 4 Ω version. Match the impedance to the amplifier and system plan before ordering.
• Does factory premium audio matter? Yes. If the vehicle has factory premium audio, the OEM subwoofer must be removed and Jeep interior trim parts must be purchased for the passenger-side installation.
• Is this a complete audio system? No. This is the vehicle-specific Stealthbox enclosed subwoofer system. A complete installation may require an amplifier, wiring, signal integration, tuning, and installation accessories.

Why Buy From MCOR Automotive

• Authorized JL Audio retailer
• Vehicle-specific audio upgrade and Stealthbox support
• Support for amplifier matching, OEM integration, and clean system planning