PreSonus ULT18 18" Active Subwoofer

PA SKU # PSN ULT18 MFR # ULT18 UPC # 673454004551
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  • Product Highlights
  • For Mobile & Permanent Installations
  • 18-Inch Low-Frequency Driver
  • Direct Radiating Acoustic Port
  • 2000W of Class-D Power
  • Variable Low-Pass Filter
  • Polarity Invert
  • 2 x Combo XLR-1/4" Inputs & Direct Outputs
  • Texture-Painted Birch Enclosures
  • M10 Rigging Points
  • Ground-Stacking Provisions
Woofer: 18" Sub 10" 12" 15" 18" Sub

2000W Active 18" Subwoofer

Designed to complement any full-range PA loudspeaker and a perfect companion for the PreSonus ULT12 and ULT15, the ULT18 subwoofer delivers a powerful, clear, and accurate low-end punch. 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 ULT18 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.

Optional Accessories and Companion Products (Not Included):
ULT12: 2-way Active Sound-Reinforcement Loudspeaker with 12" woofer
ULT15: 2-way Active Sound-Reinforcement Loudspeaker with 15" woofer
ULT18-Cover: Dust Cover
M10-KIT: M10 Kit
ULT18-CSTR: Castor Kit
  • 18-inch custom woofer with 4-inch voice coil
  • 7 mm driver travel before over-excursion
  • 2,000W Class D power (1,000W continuous)
  • 2 XLR/1/4" combo inputs with direct outputs
  • Variable lowpass filter lets you dial in upper frequency limit
  • Polarity invert
  • Optional "Natural" tuning for less low-end extension and more punch
  • Defeatable front-panel LED for low-visibility installs
  • Rugged, texture-painted birch enclosures
  • Direct radiating acoustic port
  • Tour-grade 16 gauge steel grille
  • Comfortable ergonomic handles
  • Ground-stacking provisions
  • M10 rigging points
  • Integrated castor provisions (castor kit sold separately)
  • Locking IEC connection
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