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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-term131dB
Max SPL Peak134dB
-3dB Response30Hz to 125Hz
-10dB Response27Hz to 125Hz
Crossover Point125Hz

Low Frequency Section

Acoustic DesignAsymmetrical Bandpass
Woofer Size / Voice Coil Diameter / Design18" / 4" / Inside outside
Diaphragm MaterialEpoxy Reinforced Cellulose
Magnet TypeNeodymium

Low Frequency Amplifier Specification

TypeHigh efficiency, Low frequency, Current-enhancing switch mode
Rated Continuous Power1000W

Signal Input

Input Channels2
Input Sensitivity1.0V RMS
Input Impedance20 kΩ

Signal Output

Signal Output ChannelsMid/High, Through


Input Level Control-6 - +6dB
Phase0° / 180°
RMS LimiterYES
IndicatorsPower ON/Thermal, Limiter

Power Requirements

Power ConnectorNeutrik PowerCon®
Operating Voltage Range100 to 120V@60Hz | 205 to 240V@50Hz | 225 to 260V@50Hz
Recommended Amperage10A 115V | 5A 230V | 5A 250V


Cabinet MaterialBaltic birch
Pole MountM20
Color"Orange peeled" Matt Black or any RAL

Physical Dimensions

Height612 mm (24.1")
Width700 mm (27.56")
Depth750 mm (29.52")
Weight65 kg (143.3lbs)

KV2 EX 1.8