Stealthbox SB-GM-HUMRH2/12W6v3/DG - Subwoofer JL Audio - Free user manual and instructions
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| Brand | JL Audio |
| Model | Stealthbox SB-GM-HUMRH2/12W6v3/DG |
| Product Type | Custom-Fit Subwoofer Enclosure |
| Vehicle Fitment | GMC Hummer H2 (2003-2007) |
| Subwoofer Size | 12 inches (12W6v3) |
| Enclosure Material | High-Grade Fiberglass and MDF |
| Finish | Dark Gray Carpet (DG) |
| Impedance | Dual 4 ohms (configurable) |
| Power Handling (RMS) | 600 watts |
| Peak Power Handling | 1200 watts |
| Frequency Response | 20 Hz - 200 Hz |
| Maximum Output (SPL) | 115 dB (estimated) |
| Dimensions (Width x Height x Depth) | 24 x 15 x 10 inches (approx.) |
| Net Weight | 35 lbs (approx.) |
| Mounting Depth | 6.5 inches |
| Recommended Amplifier Power | 300-600 watts RMS at 2 ohms |
| Wiring Configuration | Parallel or Series |
| Installation | Custom bolt-in for factory location |
| Included Components | Enclosure with subwoofer, installation hardware, manual |
| Maintenance | Clean with damp cloth; avoid moisture |
| Safety | Secure mounting to prevent movement; proper electrical connections |
| Repairability | Contact JL Audio or authorized dealer for service |
| Warranty | 1 year (estimated) |
Frequently Asked Questions - Stealthbox SB-GM-HUMRH2/12W6v3/DG JL Audio
What vehicles is the Stealthbox SB-GM-HUMRH2/12W6v3/DG compatible with?
This Stealthbox is custom-designed for the GMC Hummer H2 from 2003 to 2007. It fits in the factory subwoofer location or a specific tailored area, requiring no permanent modifications.
What is the power handling of the JL Audio 12W6v3 subwoofer in this enclosure?
The 12W6v3 subwoofer is rated for 600 watts RMS and 1200 watts peak power. It can handle continuous power with proper amplifier matching.
Can I change the subwoofer in the Stealthbox?
The enclosure is optimized for the 12W6v3. Replacing it with another subwoofer may affect sound quality and fitment. It is recommended to keep the original driver.
What amplifier should I use with this subwoofer?
Use a mono amplifier delivering 300-600 watts RMS at 2 ohms. The final impedance can be wired as 2 ohms (parallel) or 8 ohms (series).
How do I install the Stealthbox in my Hummer H2?
Installation involves removing the factory enclosure or trim, bolting the Stealthbox into place using the included hardware, and connecting the subwoofer to an amplifier. Detailed instructions are in the manual.
Does the Stealthbox come with a grille?
No, the enclosure is typically covered with carpet and does not include a grille. The subwoofer is protected by the vehicle's trim or by careful loading.
What is the depth of the enclosure?
The approximate depth is 10 inches, but always verify clearance in your vehicle. The mounting depth for the subwoofer is 6.5 inches.
Is the Stealthbox wired internally?
Yes, the subwoofer is pre-wired with a dual 4-ohm voice coil. Terminal cups are provided for easy connection to external wiring.
How do I clean and maintain the Stealthbox?
Clean the carpeted surface with a damp cloth and mild soap. Avoid soaking or using harsh chemicals. Protect from excessive moisture.
What is the warranty on this Stealthbox?
JL Audio typically offers a 1-year warranty from the date of purchase. Extended warranty may be available through authorized dealers.
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