The ULT18 Active Sound-Reinforcement Subwoofer from PreSonus is an 18" custom woofer with a 4" voice coil driven by 2000W of Class-D power in a direct-radiating ported enclosure. Designed to complement any full-range PA loudspeaker, it can be used to deliver low-frequency performance in sound-reinforcement applications for live stage, theater, clubs, and more.
18-inch custom low-frequency driver with 4" voice coil
2000W of Class-D power
Two combo XLR-1/4" inputs with direct outputs
7 mm driver travel before over-excursion
Defeatable front-panel LED
Rugged, texture-painted birch enclosures with tour-grade 16-gauge steel grille