The Kicker 52L7XS121 SoloXS L7XS 12-Inch 1-Ohm DVC Subwoofer is an ultra-high-output, competition-grade square subwoofer. Built on Kicker's absolute pinnacle technology platform, this 12-inch beast is engineered to deliver brutal Sound Pressure Level (SPL) performance while maintaining precise musicality.
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The Kicker 52L7XS121 SoloXS L7XS 12-Inch 1-Ohm DVC Subwoofer is an ultra-high-output, competition-grade square subwoofer. Built on Kicker's absolute pinnacle technology platform, this 12-inch beast is engineered to deliver brutal Sound Pressure Level (SPL) performance while maintaining precise musicality. Weighing nearly 100 pounds, it scales down the physical footprint of the 15-inch model while retaining the exact same massive 705-ounce motor assembly to push intense, ultra-deep bass in more compact vehicle environments.
Product Description: 1-Ohm Dual Voice Coil (DVC) variant is optimized for pulling maximum wattage from elite monoblock amplifiers. Key design benefits focus on extreme power delivery, rigorous thermal management, and rapid serviceability:
Field-Replaceable Recone System: No glue or overnight curing is required. If the speaker fails during a competition, the entire pre-assembled cone, spider, and voice coil assembly can be unbolted and swapped out in minutes on-site using alignment pins.
Impedance Flexibility: The heavy-duty motor housing allows users to swap between 1-Ohm and 2-Ohm recone kits without modifying the core motor basket.
Competition Electrical Demands: Packing a triple-stacked magnet and substantial weight, this unit is not a simple "plug-and-play" device. It requires dedicated vehicle charging modifications, such as extra batteries or high-output alternators, to run safely at full capacity.
Technical Specifications
The engineering architecture of the 12-inch SoloXS handles massive electrical loads and extreme mechanical throw.
Parameter
Specification
Model Number
52L7XS121
Speaker Size
12 inches (Square Platform)
Continuous Power Handling (RMS)
1,500 – 3,000 Watts
Voice Coil Configuration
Dual 1-Ohm (DVC)
Voice Coil Diameter
3 inches (75 mm)
Voice Coil Winding Width
3.4 inches (86.2 mm)
Linear Excursion (Xmax)
43.1 mm (1.71 inches)
Total Magnet Weight
705 ounces (20 kg)
Magnet Diameter
9.85 inches (25 cm)
Frequency Response
18 Hz – 100 Hz (or 20 Hz – 100 Hz)
Total Subwoofer Weight
~96+ lbs
Component & Structural Material Details
Cone Design: Constructed using a reinforced, double-pressed glass-fiber paper pulp cone topped with a structural carbon fiber dust cap to prevent flex under immense air pressure.
Proprietary Surround: Utilizes a next-gen, extra-tall Nitrile Butadiene Rubber (NBR) surround. It features patented Solo-Baric ribbed corners to facilitate smooth, linear movement during its massive 43mm throw.
Upgraded Suspension: Relies on an extra-large dual-spider suspension system utilizing dual Conex Meta-Aramid fiber spiders to keep the coil centered under extreme physical stress.
High-Strand Tinsel Leads: Features dual tinsel leads with a significantly higher strand count than standard L7X lines to cleanly carry extreme current to the moving voice coils.
Forced Air Cooling™: Incorporates Kicker's exclusive base venting architecture alongside an extended pole design to rapidly sweep hot air away from the 3-inch aluminum voice-coil former.
Cast Aluminum Basket: A heavy, max-cooling cast-aluminum frame engineered with structural vents to maximize cooling efficiency and overall rigidity.
Heavy-Duty Terminal Blocks: Features a single 8 AWG push terminal block joined by a dual 4 AWG block for secure, thick-gauge speaker cable routing.
Enclosure & Installation Dimensions
Mounting Depth: 11 1/2 inches (29.2 cm)
Cutout Dimension: 11 1/8 inches (28.3 cm)
Optimum Vented Box Volume: 3.0 cubic feet
Recommended Enclosure Tuning: Vented tuning at 31 Hz
Physical Port Dimensions: A slot port opening measuring 3.5 x 13 inches with a total internal port length of 36.5 inches.
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New Launch
Free shipping Over $99
Sold in last hours
Product Description: 1-Ohm Dual Voice Coil (DVC) variant is optimized for pulling maximum wattage from elite monoblock amplifiers. Key design benefits focus on extreme power delivery, rigorous thermal management, and rapid serviceability:
