JL Audio Stealthbox SB-J-WRNGL4G/12TW3 12" Subwoofer for 2024–Up Jeep Wrangler Unlimited 400W RMS 2Ω 010-03948-00

***This item will have an additional 8–10 days handling time***

JL Audio Stealthbox SB-J-WRNGL4G/12TW3 is the newest-generation vehicle-specific enclosed subwoofer upgrade engineered exclusively for the 2024-Up Jeep Wrangler Unlimited (4-door). Mounting solidly above the driver-side rear wheel well, this Stealthbox delivers deep, controlled bass without consuming valuable cargo space — ideal for OEM+ and aftermarket audio system builds.

The enclosure features a 12" TW3 thin-line subwoofer rated for 400 W RMS and pre-wired to a 2 Ω mono load. TW3 technology offers strong excursion and surface area performance in low-clearance environments, enabling serious low-frequency output within a compact sealed enclosure. A steel mesh protective grille is included to support cargo-area utility without sacrificing durability.

Vehicle Compatibility

• Jeep Wrangler Unlimited (4-door) — 2024-Up
• Platform notes: New 4G Wrangler refresh compatible; mounts driver-side rear wheel well.

Recommended Amplifier Matching (Sold Separately)

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

• JL Audio JD500/1 – up to 500 W RMS @ 2 Ω (set gains for a clean 400 W RMS match)
• JL Audio RD500/1 – up to 500 W RMS @ 2 Ω (gain-limited headroom with excellent control)
• JL Audio VX600/1i – 600 W RMS @ 2 Ω with integrated DSP (advanced tuning and clean headroom, gain-limited)

Key Features

• 12" TW3 thin-line subwoofer in side-firing sealed Stealthbox® enclosure
• 400 W RMS continuous power handling
• 2 Ω mono load for efficient amplifier matching
• Preserves cargo space and utility
• Includes protective steel mesh grille
• Utilizes factory mounting points for streamlined install
• Compatible with OEM and aftermarket systems

Technical Specifications

Ideal Applications

• OEM+ stealth bass upgrades for Jeep platforms
• Mono amp systems tuned for 2 Ω loading
• Outdoor & adventure builds requiring intact cargo function
• Wranglers needing genuine LF extension without cabin sacrifice

What’s Included

• JL Audio Stealthbox enclosure with TW3 subwoofer
• Steel mesh grille
• Install documentation

Why Buy From MCOR Automotive

• Authorized JL Audio partner
• Wrangler platform integration expertise
• Amplifier, DSP, and tuning support