NEXO MSUB18 Subwoofer

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NEXO MSUB18 Subwoofer



GEO M12 comprises touring and installation versions of a compact, high-output line array element using a single 12″ driver, both of which are available with 10° or 20° vertical dispersion. The accompanying MSUB18 is also available in touring and installation versions. The same width as the GEO M12, the MSUB18 can be flown in arrays or groundstacked using versatile accessories.

Measuring 701mm wide x 525mm high x 704mm deep and weighing 55 kg, the MSUB18 is the same width as the GEO M12 main cabinet, and 41% higher. Cabinets are constructed from Baltic birch ply with large composite bumpers on the corners, and feature integral rigging. Employing a single 18″ diameter voice coil Neodymium driver in a high-efficiency band pass cabinet design with a quadratic shaped profiled port, the MSUB18 can be deployed in Omni or Cardioid modes and is available in black, white or custom RAL colours. The MSUB18 is the touring version.


Key Features

  • Very high power, arrayable sub that can be stacked or flown, with or without its companion main element the GEO M12
  • Integrated rigging hardware with no loose parts
  • Front and rear connectivity for cardioid (front to back) implementation
  • Comprehensive range of versatile, multifunction accessories for deploying the MSUB18 in a wide variety of applications
  • Available in black, white and custom RAL colours



  • Frequency Response @-6 dB – 32 Hz to 120 Hz
  • Sensitivity 1W@1m – 107 dB SPL Nominal
  • Peak SPL@1m – 139 dB
  • Available Crossover Frequencies – 32-65, 32-75, 32-85, 32-95, 32-120 Hz
  • Nominal Impedance – 4 Ohms
  • Recommended Power – 2000 Watts



  • Component – 1 x 18” 4 Ohms very long excursion Neodymium driver
  • Height x Width x Depth – 525mm x 701mm x 704mm (20.6” x 27.6” x 27.7”)
  • Weight: Net – 55 kg / 122 lbs
  • Connectors – 4 x NL4, 4 poles connectors (1+/1- MSUB18 / 2+/2- Through)
  • Construction – Baltic Birch Plywood & textured black or white coating
  • Fittings – 8 x Side handles
  • Front Finish – Steel front grill + back mesh
  • Operating temperature range – 0°C – 40 °C
  • Storage temperature range – -20 °C – 60 °C


System Operation

Recommended powering solution – NXAMP4x4 Powered TDcontroller: 2 x MSUB18 per channel

Optional powering solution – NXAMP4x1mk2 Powered TDcontroller (Bridged): 1 x MSUB18 per channel

Optional powering solution – NXAMP4x2mk2 Powered TDcontroller: 1 x MSUB18 per channel




Additional information

Weight 55 kg

Custom RAL Colours, Black, White