Kicker SoloXS 52L7XS181 18" Square Competition Subwoofer, 4000W RMS, 1Ω DVC

Kicker SoloXS 52L7XS181 18" Square Competition Subwoofer, 4000W RMS, 1Ω DVC

A high-excursion square subwoofer for demanding custom bass systems. The 18-inch SoloXS combines substantial power handling with a serviceable cone assembly, making enclosure and amplifier planning essential.

Key Features

• Forced-Air Cooling and cast-aluminum basket
• Dual-spider suspension with reinforced tinsel leads
• Field-replaceable, bolt-in recone assembly available separately

Technical Specifications

• Size: 18 inches
• Voice coils: dual 1Ω
• Recommended amplifier power: 2000–4000W RMS
• Frequency response: 16–100 Hz
• Recommended vented box: 6.5 cu. ft. net volume, port volume excluded

Application & Installation

• One driver presents 0.5Ω parallel or 2Ω series; both coils must be wired correctly.
• Choose an amplifier stable at the final load and size the electrical system for its current demand.
• Requires a suitable square-cutout enclosure and external amplifier; neither is included.
• Use the manufacturer enclosure drawings for port dimensions, displacement and installation clearance.

Identifiers & Packaging

• Brand: Kicker
• MPN: 52L7XS181
• UPC: 713034092261
• Sold as: One complete subwoofer driver

Manufacturer installation manual

MCOR Automotive is an authorized Kicker retailer. Contact us for amplifier, enclosure, or installation-part matching before you order.