JL Audio
JL Audio SB-GM-SLVCC3/10TW3/BK2 10" Stealthbox 400W 2Ω 2019–2024 Silverado/Sierra Crew Cab 010-03676-00 (94647)
JL Audio SB-GM-SLVCC3/10TW3/BK2 10" Stealthbox 400W 2Ω 2019–2024 Silverado/Sierra Crew Cab 010-03676-00 (94647)
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JL Audio SB-GM-SLVCC3/10TW3/BK2 Stealthbox is a vehicle-specific dual 10-inch subwoofer system engineered for 2019–2024 Chevrolet Silverado and GMC Sierra Crew Cab trucks (T1 platform). This fiberglass enclosure mounts cleanly under the rear bench seat, preserving cabin usability while delivering deep, accurate low-frequency output. It utilizes dual 10TW3 subwoofers preconfigured for optimal performance in tight cabin environments.
Rated at 400 W RMS with a 2 Ω nominal impedance, this Stealthbox pairs seamlessly with modern JL Audio monoblock amplifiers for reliable, high-output bass without compromising truck functionality.
Key Features
- Dual 10TW3 subwoofer configuration
- 400 W RMS total power handling
- 2 Ω nominal impedance
- Under-seat fiberglass enclosure preserves interior space
- Vehicle-specific tuning and fitment for T1 Crew Cab trucks
- Designed for clean, deep, controlled bass in daily-use environments
Vehicle Compatibility
| Year | Make | Model | Notes |
| 2019 | Chevrolet | Silverado Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2020 | Chevrolet | Silverado Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2021 | Chevrolet | Silverado Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2022 | Chevrolet | Silverado Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2023 | Chevrolet | Silverado Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2024 | Chevrolet | Silverado Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2019 | GMC | Sierra Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2020 | GMC | Sierra Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2021 | GMC | Sierra Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2022 | GMC | Sierra Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2023 | GMC | Sierra Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
| 2024 | GMC | Sierra Crew Cab T1 | Does not fit Double Cab or Regular Cab. |
2024 Chevrolet Silverado Crew Cab T1 & GMC Sierra Crew Cab T1 JL Audio Stealthbox Subwoofer Upgrade
This compatibility table lists exact year, make, and model applications for the SB-GM-SLVCC3/10TW3/BK2. 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 results, pair with a JL Audio monoblock amplifier capable of delivering clean power into a 2 Ω load:
- JL Audio XDM600/1 – 600 W RMS @ 2 Ω (ideal headroom for 400 W systems)
- JL Audio RD500/1 – 500 W RMS @ 2 Ω (gain-limited)
- JL Audio VX600/1i – 600 W RMS @ 2 Ω with integrated DSP
- JL Audio HD750/1 – 750 W RMS @ 2 Ω (gain-controlled for premium applications)
Technical Specifications
| Model | SB-GM-SLVCC3/10TW3/BK2 |
| Garmin PN | 010-03676-00 |
| JL Legacy PN | 94647 |
| Subwoofer | Dual 10TW3 |
| Subwoofer Size | 10" (250 mm) |
| Continuous Power (RMS) | 400 W |
| Nominal Impedance | 2 Ω |
| Enclosure Type | Sealed, fiberglass |
| Enclosure Location | Under rear bench seat |
| Vehicle Fitment | 2019–2024 Silverado/Sierra Crew Cab (T1) |
| Net Weight | 62 lb |
| Warranty | 2 Years (authorized dealer) |
Ideal Applications
- Daily driving
- OEM+ audio enhancement
- Truck audio upgrades without space compromise
- High-output bass with interior preservation
What’s Included
- Stealthbox enclosure with dual 10TW3 subwoofers pre-installed
- Vehicle-specific mounting hardware
- Installation documentation
Frequently Asked Questions
- Will this fit a 2024 Chevrolet Silverado Crew Cab T1? Yes. The compatibility table above lists 2024 Chevrolet Silverado Crew Cab T1 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 400 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-SLVCC3/10TW3/BK2 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
- Specialists in vehicle-specific premium audio
- Expert product support and amplifier matching
- Fast fulfillment and nationwide shipping
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