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SHoW DMX D2 & D4 Dimmer Maximum Bandwidth Technology™

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The SHoW DMX D2 and D4 Dimmers provide a tiny but powerful and affordable new way to control LED tape, other LEDs, or low voltage incandescent fixtures.  These new miniature dimmers are available as either a 2 channel (D2) or 4 channel (D4) version, with either an integrated SHoW DMX Neo® Wireless DMX Receiver or a wired DMX input.

Watch City Theatrical's webinars on wireless DMX:

What You Need To Know About Wireless DMX

Name Cat. #
D2 Dimmer 5720
SHoW DMX Neo ®D2 Dimmer 5722M
D4 Dimmer 5740
SHoW DMX Neo® D4 Dimmer 5742M


DMX Control Features

The SHoW DMX D2 and D4 Dimmer include:

  • SHoW DMX Neo™ 2.4GHz Frequency Hopping Spread Spectrum (FHSS) Radio (Wireless version)
      • Wirelessly receive and output a full Universe (512 slots) of DMX
      • Extremely low 7mS latency
      • RDM proxy and responder functions
      • Included 2dBi Omni-directional Flexible Cable Antenna
      • SHoW DMX Neo and SHoW DMX Neo Adaptive wireless broadcast modes (SHoW IDs 101-164, 201-204) , compatible with SHoW DMX Neo Transceiver, SHoW DMX SHoW Baby Transceiver, SHoW DMX Vero Net Transceiver, SHoW DMX Vero Transceiver, MasterBlast

The D2 and D4 Dimmer (wired DMX versions) include:

  • 3P Screw Terminals for  DMX Out

Other Features

All Units Include:

  • Two (D2) or four (D4) dimmer output channels
  • Max output per dimmer channel 5A
  • Max total output per device 10A
  • Screw terminal connections for power input and dimmed output
  • Individually protected against over-current
  • Individually protected against over-temperature
  • Individual bump buttons
  • PWM resolution 16-bit
  • Dimming Curves
    • Linear, 60Hz
    • ISL, 60Hz
    • Non-Dim
  • LED Features
    • Five variable LED smoothing rates
    • Four Film and Video Modes
  • Individual DMX addresses
  • Fully RDM enabled


  • NEMA 1 ABS enclosure

    Electronic/ Functional Features

    • Bump Buttons
    • DIP Switch, DMX Addressing (9POS)
    • DIP Switch, SHoW ID addressing (8POS)
    • DIP Switch, Curve Selection (4POS)
    • DIP Switch, LED Curve PWM Frequency Selection (4POS)
    • DIP Switch, DMX Termination (wired DMX units only, 1POS)
    • LED indicators:
      • Dimmer pilot lights (one for each channel)
      • Data (data present)
      • RF Signal Strength (4 LEDS) Low to High
      • Status


      • RoHS Compliant
      • CE Pending
      • FCC Pending


      Power:  7.5-30VDC 10A Max Power Input

      Weight:  0.15 lbs/.08Kg

      Dimensions: 2.25”/57mm W x3.5”/60mmH x 0.56”/14mmD (excluding antenna)




      Case Studies

       SHoW DMX Neo Used In Charlie and the Chocolate Factory  

      SHoW DMX Neo® Used To Help Transform Charlie And The Chocolate Factory Into A World Of Pure Imagination

      The new musical Charlie and the Chocolate Factory at the Theatre Royal, Drury Lane, has been the most eagerly anticipated opening in London's West End this year. With direction by Sam Mendes, set and costumes by Mark Thompson, and Lighting Design by Paul Pyant, it is this summer's golden ticket.

      City Theatrical worked closely with UK specialist lighting contractor Howard Eaton to realize the demanding wireless DMX requirements. As well as using SHoW DMX Neo® Transceivers and Receivers, the production marked the first use of the new D2 and D4 Dimmers.

      Read the complete story here