JL Audio SB-GM-3GSLVCNSL/10TW1 10" Stealthbox 300W 2Ω 2014–2018 Silverado/Sierra 010-03674-00 (94645)

JL Audio SB-GM-3GSLVCNSL/10TW1 Stealthbox is a vehicle-specific 10-inch subwoofer system engineered for 2014–2018 Chevrolet Silverado and GMC Sierra Crew Cab trucks equipped with front bucket seats and the factory center console. This sealed fiberglass enclosure installs inside the forward portion of the console, preserving cup holders and storage while delivering strong, accurate low-frequency output from a single 10TW1 subwoofer.

Configured for 300 W RMS at a 2 Ω nominal impedance, this Stealthbox is designed to integrate with high-quality JL Audio monoblock amplifiers, providing reliable, high-output bass without sacrificing interior functionality.

Key Features

• Custom-fit Stealthbox for 2014–2018 Silverado & Sierra Crew Cab
• Loaded with a single JL Audio 10TW1 subwoofer
• 300 W RMS total power handling
• 2 Ω nominal impedance
• Sealed, all-fiberglass console enclosure
• Installs inside the front section of the factory center console
• Maintains passenger space, storage, and cup holders

Vehicle Compatibility

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

This compatibility table lists exact year, make, and model applications for the SB-GM-3GSLVCNSL/10TW1. 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 optimal performance, pair this Stealthbox with a JL Audio monoblock amplifier capable of delivering clean power into a 2 Ω load:

• JL Audio XDM300/1 – 300 W RMS @ 2 Ω (direct power match for 300 W / 2 Ω systems)
• JL Audio XDM600/1 – 600 W RMS @ 2 Ω (headroom option with properly set gain)
• JL Audio JD500/1 – up to 500 W RMS @ 2 Ω (gain-limited for controlled output)
• JL Audio VX600/1i – 600 W RMS @ 2 Ω with integrated DSP for advanced tuning

Technical Specifications

Ideal Applications

• OEM+ bass upgrade for full-size GM trucks
• Daily-driven systems requiring clean, controlled low end
• Installations where preserving cabin space and storage is critical

What’s Included

• Stealthbox enclosure loaded with one JL Audio 10TW1-2 subwoofer
• Vehicle-specific mounting hardware
• Installation documentation

Frequently Asked Questions

• Will this fit a 2018 GMC Sierra Crew Cab? Yes. The compatibility table above lists 2018 GMC Sierra Crew 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 300 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-3GSLVCNSL/10TW1 Stealthbox subwoofer system. A complete installation may require an amplifier, power wiring, signal integration, tuning, and installation accessories.

Why Buy From MCOR Automotive

• Authorized JL Audio retailer
• Extensive experience with vehicle-specific JL Stealthbox systems
• Expert guidance on amplifier matching and system design
• Fast, reliable fulfillment and shipping

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.