Unleash massive low-end performance with the Sundown Audio X-18 v3 D1 — the third-generation beast from Sundown’s acclaimed X Series. Built for the serious bass enthusiast, this 18" subwoofer delivers an earth-shaking 2000W RMS of clean, deep bass thanks to its large motor structure, dual 1-ohm voice coils, and precision-engineered suspension. Whether you’re building a competition SPL setup or just want to rattle the streets, the X-18 v3 is engineered to dominate.

Features

• 18" high-performance subwoofer

• Dual 1-ohm voice coils for flexible wiring options

• 2000W RMS / 4000W+ peak power handling

• Mega-roll surround for extreme excursion

• Vented voice coil gap for efficient cooling

• 4-layer flat-wound aluminum voice coil

• Stamped steel basket with optimized airflow

• Ideal for large ported or 6th order enclosures

Specifications

• Model: X-18 v3 D1

• Size: 18 inches

• RMS Power: 2000 Watts

• Peak Power: 4000+ Watts

• Impedance: Dual 1 Ohm

• Voice Coil Diameter: 3 inches

• Mounting Depth: Approx. 10.75"

• Xmax (One-Way): 33mm

• Recommended Enclosure: Ported (6–8 cu ft tuned ~30Hz)

• Magnet Weight: Triple stacked ferrite magnets

• Sensitivity: ~85 dB

• Frequency Response: 20Hz – 250Hz