Technical Specifications

Acoustic Performance

Configuration Active Subwoofer
Frequency Response (-3 dB) 42 Hz – 150 Hz (Variable)
Frequency Response (-10 dB) 36 Hz – 144 Hz
Maximum Peak SPL 135 dB
Crossover Frequency 90 Hz

Transducer

LF Transducer 1x18" Ferrite magnet
Voice Coil Diameter 4"

Amplifier

Type Class D
Total Power Output 2000W Peak, 1000W Program (500W RMS)
LF Power 2000W Peak, 1000W Program (500W RMS)
Cooling Free air convection
Rated THD <0.05% (20 Hz - 20 kHz)
Dynamic Range 119 dB (A-weighted)
Bandwidth 20 Hz - 20 kHz

Connections and Controls

Input Channels 1 Line
Input Connector Types (XLR)
Line Input Impedance 40 kΩ
Maximum Input +4 dBu
Output Connector 1 XLR, Direct out
Controls Preset Select, Polarity Invert
Indicators Over Temperature, Signal, -3 dB, Limiter, Clip, Network Status

DSP

Effects Compression, Polarity Invert, Limiting, Delay, 8-band EQ and preset selection via WorxControl
Bit Depth 24-bit
Sample Rate 48 kHz

Enclosure

Material 15 mm Eucalyptus plywood
Finish Chemline™ Polyurea
Grille Powder-coated steel
Dimensions (HxWxD) 23.2” x 20.8” x 24” (590 mm x 529 mm x 610 mm)
Unit Weight 105 lbs. (47.6 kg)
Handles 2 (One on each side)

Safety

Amplifier Protection Over-current, DC, over/under-voltage, over-temperature, high frequency
Transducer Protection Limiter

Power

AC Power Input 90-260V~, 50-60 Hz
AC Power Consumption (1/8 Power) 4.2 Amps

Suspension Mounting

Rigging Points M20 Threaded pole receiver, Integrated rigging (10:1 load)

Optional Accessories

Rigging CDL Rigging Grid, CDL Rigging Extension Bar, CDL Rigging Sling
Other ULT18-CSTR 4” Caster Kit, CDL18s-Cover Dust Cover

As a commitment to constant improvement, PreSonus Audio Electronics, Inc., reserves the right to change any specification stated herein, at any time, without notification.