The EX1.8 is a high output single 18" subwoofer housing a revolutionary VHD technology neodymium woofer. The EX1.8 features an impressive 1000 watts of power courtesy of KV2 Audio’s switching amplifier technology and provides a very firm foundation on which to build a powerful EX system, or as a standalone subwoofer for any existing system.



  • Professional, Baltic birch construction with wear resistant polymer coating
  • 131dB sustained output, 134dB peak
  • 1000W high efficiency, current-enhancing, switching, low frequency amplifier
  • Complete on board subwoofer management including equalization, crossover filters, amplifier overdrive protection, output level and phase controls
  • Excellent reproduction of bass frequencies with high transient content at high output levels
  • Stereo or Mono inputs with through signal outputs and 120Hz High Pass outputs 18" high output, low frequency woofer driver with 4" (100 mm) inside/outside, epoxy baked, high temperature, voice coil assembly and neodymium magnetic structure
  • Two recessed side handles for simplified handling and carrying
  • Acetyl copolymer, high impact, low friction feet are located on two sides allowing lock-in and easy cabinet movement
  • Five internal corner braces with four M10 suspension points
  • M20 top hat for pole mounting applications
  • LED indicators for signal present, limiter, thermal condition and power ON status


System Acoustic Performance

Max SPL Long-term 131dB
Max SPL Peak 134dB
-3dB Response 30Hz to 125Hz
-10dB Response 27Hz to 125Hz
Crossover Point 125Hz

Low Frequency Section

Acoustic Design Asymmetrical Bandpass
Woofer Size / Voice Coil Diameter / Design 18" / 4" / Inside outside
Diaphragm Material Epoxy Reinforced Cellulose
Magnet Type Neodymium

Low Frequency Amplifier Specification

Type High efficiency, Low frequency, Current-enhancing switch mode
Rated Continuous Power 1000W
Distortion <0.05%

Signal Input

Input Channels 2
Input Sensitivity 1.0V RMS
Input Impedance 20 kΩ

Signal Output

Signal Output Channels Mid/High, Through


Input Level Control -6 - +6dB
Phase 0° / 180°
RMS Limiter YES
Indicators Power ON/Thermal, Limiter

Power Requirements

Power Connector Neutrik PowerCon®
Operating Voltage Range 100 to 120V@60Hz | 205 to 240V@50Hz | 225 to 260V@50Hz
Recommended Amperage 10A 115V | 5A 230V | 5A 250V


Cabinet Material Baltic birch
Handles 2
Pole Mount M20
Color "Orange peeled" Matt Black or any RAL

Physical Dimensions

Height 612 mm (24.1")
Width 700 mm (27.56")
Depth 750 mm (29.52")
Weight 65 kg (143.3lbs)

KV2 EX 1.8