Kicker 51KGMDL7T122 Dual 12" L7T Silverado/Sierra Subwoofer Enclosure, 1200W RMS, 2Ω

Kicker 51KGMDL7T122 is a truck-specific dual 12-inch L7T loaded subwoofer enclosure designed for select Chevy Silverado and GMC Sierra Crew Cab applications.

Key Performance Features

• Dual Kicker Solo-Baric L7T square subwoofers
• 1200 W RMS recommended amplifier power
• Single 2-ohm terminal for amplifier connection
• Down-firing design built to retain usable cab space

Vehicle Fitment Notes

• Designed for Chevy Silverado and GMC Sierra Crew Cab trucks, 2008 and newer
• GM trucks 2019 and newer may fit less precisely than earlier supported applications
• Items such as inverters, storage compartments, spare tire tools, or floor mats may require removal

System Architecture

• Type: Passive truck-specific loaded subwoofer enclosure
• Subwoofer Layout: Dual 12" L7T square subwoofers
• Enclosure Orientation: Down-firing
• Final Impedance: 2 Ω

Power Handling / Output

• Recommended Amplifier Power (RMS): 1200 W
• Frequency Response: 25 Hz – 100 Hz

Enclosure Details

• Truck-specific MDF enclosure shaped for under-seat installation
• Thick black carpeting
• Heavy internal bracing
• Designed to retain cab space and legroom

Recommended Amplifier Matching (Sold Separately)

For best performance, pair this Kicker subwoofer system with a Kicker amplifier capable of delivering clean RMS power into the correct load:

• Kicker 46CXA12001T – ideal RMS match for a 2Ω subwoofer load
• Kicker high-output mono amplifier – gain-limited headroom option when matched to a 2Ω subwoofer load

Technical Specifications

• Brand: Kicker
• Model: 51KGMDL7T122
• Product Type: Vehicle-Specific Loaded Subwoofer Enclosure
• Subwoofer Size: Dual 12"
• Impedance: 2 Ω
• Recommended Amplifier Power (RMS): 1200 W
• Frequency Response: 25 Hz – 100 Hz
• Dimensions: 52" W × 7-7/16" H × 15-1/2" D

Identifiers & Packaging

• MPN: 51KGMDL7T122
• UPC: 713034058359
• Sold As: Loaded Enclosure
• Included Components: Loaded subwoofer enclosure with dual 12" L7T subwoofers

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in car audio, marine audio, and vehicle-specific integration
• Expert support for product selection, amplifier matching, and clean system setup