Kicker 52L7XS181 SoloXS L7XS Series 18" 4000W RMS at 1-Ohm, Dual Voice Coil Component Car Subwoofer
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What's Inside?
- • SoloXS L7XS Series 18" 4000W Dual Voice Coil Component Car Subwoofer
- • Owner's Manual
Why Choose Kicker 52L7XS181 Component Car Subwoofer?
Unleash Massive Bass
Experience powerful, deep bass with the 18" Dual 1-Ohm SoloXS L7XS Series square subwoofer, built to handle 2,000–4,000 watts RMS. Its double-pressed pulp cone and durable NBR surround deliver strong, controlled movement for hard-hitting performance. A 4" aluminum voice coil former adds the strength and reliability needed for demanding high-power audio systems.
Built For Extreme Bass
Experience powerful, deep bass with 43.1 mm of linear excursion and an 830 oz. triple-stacked ferrite magnet motor built for serious output. Dual Conex meta-aramid fiber spiders and a custom rubber boot provide added strength and protection, while the cast-aluminum basket helps maximize cooling. Heavy-duty 8 AWG push terminals and dual 4 AWG terminal blocks ensure reliable power handling for demanding car audio systems.
Engineered For Deep Bass
Enjoy smooth, powerful low-frequency performance with dual high-strand tinsel leads and aerodynamic basket braces designed to reduce back pressure. With a 16–100 Hz frequency response, this subwoofer delivers deep, hard-hitting bass across a wide range of music. Its 7.5 cu. ft. optimal ported enclosure, 13-3/16" top-mount depth, and 16.5" cutout provide clear installation requirements for a high-performance setup.
Frequently Asked Questions (FAQ)
- • Can the Kicker 52L7XS181 really handle 4,000 watts RMS?
Yes. The 18" SoloXS L7XS is rated for 4,000 watts RMS, making it a high-power subwoofer designed for serious bass systems. A properly matched amplifier and correct tuning are important to use that power safely.
- • What amplifier should I use with the 52L7XS181?
Choose an amplifier that can deliver close to the subwoofer's rated power without relying on excessive clipping. Since the 52L7XS181 has a dual 1-ohm voice coil, the amplifier must also support the final impedance created by your wiring configuration.
- • How do I wire the dual 1-ohm voice coils?
The dual 1-ohm coils can be wired in parallel for a 0.5-ohm final load or series for a 2-ohm final load. Make sure your amplifier is designed to operate safely at the impedance you select.
- • Will this subwoofer fit in a normal car?
Probably not without careful planning. The 18" L7XS has a 16.5-inch cutout and approximately 13-3/16-inch mounting depth, so the enclosure and available vehicle space need to be measured before installation.
- • What type of box does the 52L7XS181 need?
KICKER recommends a ported/vented enclosure, with an optimum volume listed at approximately 7.5 cubic feet for this model. Using the proper enclosure design is important for getting strong bass while controlling cone movement.
- • Will my factory electrical system handle 4,000 watts?
A typical factory electrical system may not be sufficient for a system capable of delivering this much power. High-output alternators, additional battery capacity, proper grounding, and appropriately sized power wiring may be needed depending on the complete system.
- • Why does my subwoofer sound weak after installation?
Incorrect enclosure volume, port design, phase, gain settings, wiring, or amplifier configuration can reduce bass output. Before assuming the subwoofer is defective, verify the enclosure specifications and confirm that both voice coils are wired correctly.
- • Can I damage the 52L7XS181 with a powerful amplifier?
Yes. A high-power amplifier can damage the subwoofer if it is improperly tuned or driven into clipping. Real-world car-audio discussions also emphasize that large systems require careful attention to amplifier power, electrical capacity, wiring, and tuning rather than simply choosing the biggest amplifier possible.
- • What if the subwoofer eventually needs repair?
The SoloXS L7XS design supports a field-replaceable recone kit, allowing the cone, voice coil, and spider assembly to be replaced without replacing the entire subwoofer. This can be useful for high-power systems where serviceability matters.
- Diameter : 18 Inch
- Impedance : 1 Ohm
- Top Mount Depth : 11-1/8 Inches
- Woofer Composition : Glass fiber
- Shallow Mount : No Inch
- Number of Voice Coils : Dual
- Mounting Depth : 16 Inches
- RMS Power Handling : 4000 Watts
Features:
- 18" Dual 1 ohm SoloXS L7XS Series Square Subwoofer
- Power Handling:
- Recommended Amplifier Power (RMS): 2000 - 4000 watts
- Double-pressed pulp Cone
- Nitrile Butadiene Rubber NBR Surround
- 4" Aluminum voice coil former
- 43.1 mm Xmax (Linear Excursion)
- 830 oz. Triple Stacked Ferrite magnet motor structure
- Custom rubber boot for oversized ferrite magnet
- Dual conex meta-aramid fiber spiders for superior strength
- Maximum cooling, cast-aluminum basket
- Single 8 AWG push terminal and dual 4 AWG terminal block
- Dual tinsel leads with considerably more strands than L7X
- Aerodynamic basket brace channels reduce back pressure
- Frequency Response: 16 - 100 Hz
- Optimal ported box volume: 7.5 cubic feet
- Top-mount depth: 13-3/16"
- Cutout diameter: 16.5
Subwoofer Specifications
- Series: SoloXS L7XS Series
- Subwoofer Size: 18"
- RMS Power Handling: 4000 watts
- Voice Coil(s): Dual
- Impedance (Per Voice Coil): 1 ohm
- Voice Coil Diameter: 4"
- Subwoofer Design: Square
- Main Cone Color: Black
- Woofer Composition: Double-pressed pulp
- Woofer Surround: Nitrile Butadiene Rubber NBR
- Magnet Structure: Triple Stacked
- Magnet Weight: 830 oz.
- Magnet Type: Ferrite
- Subwoofer Grille: No
Recommended Enclosure Specifications:
- Recommended Enclosure Type: Ported/Vented
- Optimum Ported Box Volume: 7.5 cubic feet
- Top Mount Depth (Mounting Depth): 13-3/16"
- Cutout Diameter: 16.5"
- Shallow Mount Installation: No
- UPC: 713034092261
- Weight: 0.77
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
