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The Thunder-KMT218P is a high-performance passive subwoofer designed with a powerful peak output of 139 dB to provide high-quality audio in the low frequency range for use in mid to large applications. The KMT218P features a two 1600W 18" drive units with magnet structure and suspension engineered for maximum linear excursion combining for a max power of 2800W.

More information about the Thunder line

Unique Performance-to-Size Ratio

Produces an impressive high-power performance by producing a high SPL from a small frame.


Color Customizable

We have the ability to customize your project by color matching your system to any RAL code to help you to better integrate the speakers into a wide variety of venues.


Weather Resistant

We utilize the most durable and resistant materials when developing our products to protect and conserve the system regardless of the elements, rendering a K-array installation reliable and long-lasting.



Four-Corner Port Configuration

The unique four-corner port configuration provides symmetrical back loading to the speakers, for extended bass response with very low distortion.


Dante Compatible

With the dedicated K-dante accessory, this solution can be integrated into a Dante network making it interoperable with other devices.




  • Power Handling 1600W (AES)
  • Max power 2800 W (1)
  • Impedance 4 Ohm
  • Frequency range (-10 dB) 30 Hz – 150 Hz
  • SPL 1W/1mt 101 dB
  • Maximum SPL3 133 dB (cont) - 139dB (peak)


  • Horizontal Omni
  • Vertical Omni


  • Type External Crossover Required
  • Frequency Low pass @ 150 Hz(maximum - preset dependent)


  • Full range 2 X 18” neodymium magnet woofer with 3” voice coil

Audio in/out

  • Connectors 2 x 4 pin Speakon
  • Digital Connectors 1+ 1 -(signal IN & Link); 2+ 2- (through)

Recommended Amplifiera

  • Type KA84, KMT218

Physical Overview

  • Dimensions 94.9 x 48.0 x 60.0 cm (37.36” x 18.89” x 23.62”) (2)
  • Weight 44.5 Kg (98.10 lb)
  • Notes for data:

    1. Amplifier wattage rating is based on the maxi- mum unclipped burst sine wave RMS voltage that the amplifier will produce into the nominal load impedance.
    2. ( W x H x D).

    New materials and design are introduced into existing products without previous notice. Present systems may differ in some respects from those presented in this catalogue.

Customers Applications

Thunder-KMT218P can be successfully used in a range of different settings and events.

Discover all the projects where Thunder-KMT218P products have been used