PreSonus ULT18 Active Subwoofer

The perfect companion for the PreSonus ULT12 and ULT15, the PreSonus ULT18 Active Subwoofer delivers a powerful, clear, and accurate low-end punch. It is also appropriate as a low-end companion to any loudspeaker system.

With 2,000 watts of Class D power and a direct radiating, ported enclosure, it delivers the detailed low-frequency performance audio pros demand. Its custom 18-inch low-frequency transducer with 4-inch voice coil provides 7 mm of driver travel before over-excursion to push more air and bring more thump.

A variable lowpass filter (rare in this class) lets you dial in upper frequency limit. The PreSonus ULT18 Active Subwoofer also offers M10 fly points, ground stacking provisions, castor provisions, and a defeatable front-panel LED, making it a great choice for both mobile and install applications.

PreSonus ULT18 Features

• 18-inch custom woofer with 4-inch voice coil with 7 mm driver travel
• 2,000W Class D power (1,000W continuous)
• 2 XLR/¼” combo inputs with direct outputs
• Variable lowpass filter lets you dial in upper frequency limit
• Polarity invert
• Defeatable front-panel LED
• Rugged, texture-painted birch enclosures
• Direct radiating acoustic port
• Tour-grade 16 gauge steel grille
• Comfortable ergonomic handles
• Ground-stacking provisions
• M10 rigging points
• Locking IEC connection