JL Audio SB-GM-SLVD/10TW1/BK 10" Stealthbox 600W 2Ω 2014–2018 Chevy Silverado & GMC Sierra Double Cab 010-03660-00 (94612)

JL Audio SB-GM-SLVD/10TW1/BK Stealthbox® is a vehicle-specific, sealed subwoofer system designed for 2014–2018 Chevrolet Silverado and GMC Sierra Double Cab trucks. It mounts under the rear seat to deliver deep, accurate bass while preserving rear seat function and cabin utility. This system is loaded with dual 10TW1-4 thin-line subwoofers.

Power / Load: 600 W RMS continuous power handling with a 2 Ω final load (dual 4 Ω drivers). Pair it with a JL Audio monoblock amplifier capable of driving a 2 Ω load cleanly, and set gain appropriately for a 600 W RMS system.

Key Features

• Vehicle-specific JL Audio Stealthbox® enclosed subwoofer system
• Sealed enclosure design
• Dual 10" thin-line subwoofers: (2) 10TW1-4
• Installs under the rear seat
• Will not affect folding of the rear seat or rear leg room
• Installation requires removal of the plastic storage tray under the rear seat (if equipped)
• Continuous power handling: 600 W RMS (300 W RMS each)
• Final system impedance: 2 Ω

Vehicle Compatibility

2018 Chevrolet Silverado Double Cab & GMC Sierra Double Cab JL Audio Stealthbox Subwoofer Upgrade

This compatibility table lists exact year, make, and model applications for the SB-GM-SLVD/10TW1/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 that is stable at 2 Ω and set gain appropriately for a 600 W RMS system:

• JL Audio XDM600/1 – strong match for 2 Ω Stealthbox systems
• JL Audio RD500/1 – excellent option with gain set correctly for the system
• JL Audio VX600/1i – integrated DSP for advanced tuning on a 2 Ω load
• JL Audio HD750/1 – premium headroom option with gain controlled as needed
• JL Audio JD500/1 – efficient monoblock option with gain set appropriately

Technical Specifications

Ideal Applications

• Under-seat bass upgrade that preserves truck interior functionality
• High-output, low-profile subwoofer system for daily-driven trucks
• OEM-style fitment for Double Cab interiors

What’s Included

• JL Audio Stealthbox® loaded enclosure (SB-GM-SLVD/10TW1/BK)
• (2) JL Audio 10TW1-4 subwoofers (installed)

Frequently Asked Questions

• Will this fit a 2018 GMC Sierra Double Cab? Yes. The compatibility table above lists 2018 GMC Sierra Double Cab 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 600 W RMS at 2 Ω. Gain setting and tuning matter.
• Is this a complete audio system? No. This listing is for the vehicle-specific SB-GM-SLVD/10TW1/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 support (cab style, interior requirements, and exclusions verified)
• Expert JL Audio system planning (amp matching, wiring, tuning guidance)
• Professional installation available in-store
• Careful handling and packaging for high-value enclosures