52L7XS182 KICKER SoloXS 18" L7XS Competition Subwoofer 4000W RMS Dual 2 Ohm SPL Car Audio Bass Speaker
KICKER SoloXS 18" L7XS Pro-Class Competition SPL Subwoofer – 4000W RMS Dual 2 Ohm
Take your car audio system to the extreme with the legendary KICKER SoloXS L7XS 18" Competition Subwoofer. Engineered for serious SPL competitors and bass enthusiasts, this Pro-Class square subwoofer delivers earth-shaking low frequencies, massive excursion, and unmatched durability.
Built to handle an incredible 4000 Watts RMS, the SoloXS L7XS is designed with KICKER’s exclusive high-excursion square cone technology for louder, deeper, and harder-hitting bass than traditional round subwoofers. Whether you're chasing competition-level decibels or ultra-musical low-end performance, the SoloXS dominates every category.
Featuring a huge ferrite magnet structure, oversized dual-spider suspension, Forced Air Cooling™, and field-replaceable recone assembly, this subwoofer is made for relentless high-power abuse while staying cooler and performing longer.
If you demand elite SPL performance with brutal output and precision bass response, the KICKER SoloXS L7XS delivers bass without compromise.
Incomparable
SoloXS always promises high-excursion design, made for ultra-deep bass at very high volume. It’s developed like no other KICKER subwoofer.
Features:
- Field-Replaceable Recone Kit – cone/voice coil/spider assembly, and forget the glue
- KICKER exclusive Forced Air Cooling™
- Three-inch (12" and 15") and four-inch (18") aluminum voice-coil former
- Extra-large dual-spider suspension
- Double-pressed pulp cone
- Next-gen surround made from proprietary NBR material
- Custom rubber boot for oversized ferrite magnet
- Max-cooling, cast-aluminum basket
- Single 8 AWG push terminal and dual 4 AWG terminal block
- Dual tinsel leads with considerably more strands than L7X
*SoloXS12" shown in diagram.
Specifications
| CNC Files |
| L7XS.DXF - for subwoofer hole cutouts |
| Size (in, cm) |
| 18, 45.7 |
| Rated Impedance (Ohms) |
| 2 DVC |
| Rec Amp Power RMS |
| 2000-4000 |
| Frequency Response |
| 16-100 |
| Magnet Diameter (in, cm) |
| 11, 28 |
| Total Magnet Weight (oz, kg) |
| 830, 23.5 |
| Voice Coil Diameter (in, mm) |
| 4, 102 |
| Voice Coil Winding Width (in, mm) |
| 3.4, 86.2 |
| Product Dimension Sheet |
| 52L7XS182 Dimensions |
| Top Plate Thickness (in, mm) |
| 0.8, 20 |
| Xmax (in, mm) |
| 1.71, 43.1 |
| Recommended Vented Box Volume (Cu. Ft., L) |
| 6.5, 184.1 |
| Port Opening (in x in, cm x cm) |
| 6.5 x 19.5, 16.5 x 49.5 |
| Port Length (in, cm) |
| 27.75, 70.5 |
| Vented Enclosure Tuning Frequency (Hz) |
| 28 |
| Warranty |
| When purchased from an Authorized KICKER Dealer or kicker.com, KICKER warrants this SOLO XS product to be free from defects in material and workmanship under normal use for a period of ONE (1) YEAR from date of original purchase. |
Why Choose the KICKER SoloXS L7XS?
The SoloXS L7XS isn’t just another subwoofer — it’s KICKER’s most extreme bass platform ever created. Designed for professional SPL competitors and hardcore bass lovers, this subwoofer delivers unmatched output while maintaining musical precision.
With field-serviceable recone parts, advanced cooling technology, and industry-leading excursion capability, the SoloXS is built to dominate both competition lanes and daily demo systems.