4 Channel DMX Decoder V2


4 Channel Constant Voltage DMX512 & LED Decoder with RDM support, a numeric display, seven PWM frequency selections, linear or logarithmic dimming and built-in protection features.

Availability: In stock

SKU: A-D4E-DMXD Categories: ,

The Axion Lighting 4 Channel DMX Decoder offers a perfect way to control single color, tunable white, RGB, or RGBW fixtures. 


  • Fully compliant with the DMX512 standard protocol.
  • No DIP switches! Use the integrated buttons and digital display to configure the DMX address.
  • Supports RDM functionality for those DMX masters or controllers that take advantage of this enhanced protocol. 
  • 16 bit (65536 levels) or standard 8 bit (256) level selection.
  • PWM dimming frequency selection: 250 / 500 / 1000 / 2000 / 4000 / 8000 / 16000 Hz options for reduced power noise and LED flickering.
  • Logarithmic or linear dimming curve selectable.
  • Over-heat, over-load and short circuit protection with automatic recovery.
  • Automatic DMX signal detection helps to know if there are line issues. 
  • Default Output Level setting allows you to set the light level if the DMX signal is lost. 
  • CE, EMC, RED and LVD certified.
  • 5 year warranty
Weight 2 lbs
Dimensions 12 × 4 × 2 in


  • Input Voltage: 12 – 48 volts DC
  • Input Current: 32.5A
  • Output Voltage: 4 x (12 – 48) VDC
  • Output Current: 4 channel, 8 amps per channel max at 12/24V or 6 amps max at 36/48V
  • Output Type: Constant voltage
  • Operating Temperature: -30C – +55C
  • EMC Standards: ETSI EN 301 489-1 V2.2.3 and ETSI EN 301 489-17 V3.2.4
  • Safety Standards: EN 62368-1:2020+A11:2020
  • Certifications: CE, EMC, LVD, RED

Installation Instructions

Operating Modes

  • Short press the M key to switch between DMX decoder mode and RGB controller mode.
  • Press the < or > key to adjust the parameter’s value.
  • Long press MODE and > for 2 seconds to start the quick self-test feature.
  • Long press the < and > key for 2 seconds to restore the unit to factory defaults.

Operation Settings

  • Long press M and < key at the same time for 2 seconds. Short press M key to switch between settings:
    • Decode Mode
      • Short press < or > key to switch between 1/2/4 channel decode mode (d-1, d-2, or d-4). When set as 1 channel mode, the decoder will only occupy a single DMX address and dim all the outputs at the same level. The same is true for 2 channel mode where channels 1/3 and 2/4 will dim together.
    • Grey Level
      • Short press < or > key to switch between 8bit (b08) or 16 bit (b16).
    • Output PWM frequency
      • Short press < or > key to switch between 250Hz (F02), 500Hz (F05), 1000Hz (F10), 2000Hz (F20), 4000Hz (F40), 8000Hz (F80), or 16000Hz (F16).
      • The higher the PWM frequency, the lower the output current however it’s useful to eliminate power noise and reduce visible flickering.
    • Output brightness curve
      • Short press < or > key to switch between Linear Curve (C-L) or logarithmic curve (C-E)
    • Default output level
      • Short press < or > key to change the default 0-100% level (d00 to dFF) when no DMX signal input is detected.
    • Automatic blank screen
      • Short press < or > to enable (bon) or disable (bof) the automatic blank screen.
  • To exit the menu, long press the M key for 2 seconds or wait 10 seconds with no button presses.

Stand-alone Mode

  • Short press the M key. Once the display shows L01 through L5, it is now in self-test mode. This will only occur when there is no DMX signal present.
  • Press the < or > key to switch through diagnostic modes.


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