QolorFLEX® SHoW DMX Neo® 4x2.5A Dimmer (Legacy Product)

City Theatrical's QolorFLEX® SHoW DMX Neo® 4x2.5A Dimmer (legacy product) is the size of a credit card and ½" thick, making it the smallest full featured dimmer of the four channel dimmers available. With the proven reliability and versatility of our patented SHoW DMX technology included, this dimmer offers unmatched performance with ultra-smooth low-end dimming and flicker free film and video modes.

Learn more about QolorFLEX LED Tape.
P/N Name
5742M QolorFLEX® SHoW DMX Neo® 4x2.5A Dimmer - Discontinued


Additional Information

DMX Control Features

The QolorFLEX® SHoW DMX Neo® 4x2.5A Dimmer includes:

  • SHoW DMX Neo 2.4GHz Frequency Hopping Spread Spectrum (FHSS) Radio (Wireless version)


Other Features

All Units Include:

  • Four 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) 

    Title Description
    pdf QolorFLEX Wireless DMX Dimming at IIDA's 21st Annual Fashion Show

    Architect Dore + Whittier was submitting a design for the Robin Hood look to the IIDA Fashion Show and reached out to Port Lighting to find out how they could best integrate lighting into the costume. The theme of the show was “portals”, and the design used interior design materials such as jute webbing and burlap from flooring tiles, rockwool insulation, and laser cut pieces of cork flooring. They sought a way to illuminate the jacket and boots by integrating LED tape.

    Port Lighting used their LED installation experience from interior or theatrical projects to craft an LED and dimming solution that could look beautiful while moving and on camera. The lighting team oversaw the testing of LEDs and dimmers to use with the outfit, and the drapery department sewed and assembled the outfit.

    The lighting team from Port Lighting used four QolorFLEX wireless DMX Dimmers, one for each shinguard, one in the back plate, and one placed in a custom-sewn pocket on the right side of jacket, each controlled wirelessly with a single SHoW DMX SHoW Baby 6 device with an external panel antenna mounted backstage, giving the model free movement over the course of a two-minute choreographed walk down the runway.

    “We went with QolorFLEX wireless DMX Dimmers because we needed something that was small enough to integrate into the costume, could be controlled wirelessly, and had a strong dimming curve so it wouldn’t flicker on camera. QolorFLEX delivered.” - Ron Kuszmar, VP, Architectural and Theatrical Lighting, Port Lighting Systems

    pdf QolorFLEX LED Tape and QolorFLEX 24x3A Dimmers at Evita at New York City Center in New York, NY “We chose QolorFLEX because of its reliability, color quality, and affordability. The good thing about QolorFLEX is that it is tough and can be reused, so it is part of our repertory equipment now, for ongoing production use.” - Mark Mongold, Director of Production, New York City Center
    pdf QolorFLEX NuNeon, RGB and Accessories, QolorFLEX RGB LED Tape, and QolorFLEX 4x2.5A Dimmers in Freaky Friday Presented by Coolidge Middle SchoolDrama Department in Reading, Massachusetts

    With a SHoW Baby 6 wireless DMX system already in place, the creative team for Freaky Friday was looking for a way to create an urban Chicago setting using bright, color-changing LED products that could be controlled wirelessly. With limited transition time between scenes and a cast including 55 middle schoolers and an additional 45 students working backstage, the ideal solution would not only add dimension and visual interest, but also require minimal relocation after installation, and be simple and safe to use in a high traffic area.

    The script called for an oversized hourglass that would be “broken” in half on stage. This presented one of the largest challenges of the show to the creative team: Designing a prop that could create a magical effect, while using two separate lighting and wireless DMX control systems.

    City Theatrical’s QolorFLEX NuNeon was selected as the lighting solution to outline the Chicago skyline that spanned the 40-foot-wide stage. The skyline was set in two layers, one at each wireless DMX controlled portal, to add dimension with color-changing RGB LEDs that have the look and brightness of traditional neon, but with easier setup and wireless DMX dimming control

    pdf 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.
    pdf SHoW DMX Neo® Used To Help The Eurovision 2015 Stage

    The outfits have been designed to complement the circular main stage at the Wiener Stadthalle in Vienna, Austria, which is hosting this year's contest. The stage contains a 30m-wide LED screen and 300 metres of LED strips.

    Electro Velvet have spoken of their delight at their costumes, saying: "The whole Eurovision experience has been illuminating for us, and we can't wait to literally light up on stage in front of the entire world - it's going to be electric!"

    Guy Freeman, BBC's head of delegation of Eurovision, added: "The creative team behind the concept have been working exceptionally hard to ensure that the United Kingdom has a visually stunning and memorable performance on the night of the grand final, and we can't wait for the world to see it."

    Date Title Description
    pdf 10/21/2021 1031 QolorFLEX Dimmers 5722 & 5742 The latest firmware for 5722M and 5742M require minimum level of firmware installed in the 5792M SHoW DMX Neo Max radio module.
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