LTECH 4 Channel DMX/RDM Constant Voltage Decoder

Product Code: LT904
  • 4 channel constant voltage DMX/RDM decoder
  • 12-24V DC input voltage
  • Maximum 24A output current (6A per channel)
  • RDM protocol for remote parameter browsing and address changes
  • Selectable high and low PWM frequency options
  • 16-bit or 8-bit output resolution configurations
  • Smooth and standard dimming curve options
  • 3-pin XLR and RJ45 DMX interfaces with photoelectric isolation
  • Short circuit, overheat, and over-current protection
  • 5 Year Warranty
Grey
12V / 24V DC
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Product Description

This high-performance 24A Constant Voltage DMX512 decoder is an installation-grade product specifically built for professional use within commercial environments. Ideal applications for this robust decoder include large-scale architectural lighting, hotels, restaurants, and premium retail outlets.

Available from our comprehensive LTECH range of professional lighting control products, the LT904 delivers exceptional reliability and advanced functionality.

This 4-channel DMX Decoder boasts high-quality control functions, integrating the standard RDM (Remote Device Management) protocol. This allows the unit to communicate bi-directionally with an RDM-equipped DMX master console, enabling installers to remotely detect the device, set DMX addresses, and browse operating parameters without needing physical access to the decoder itself.

To ensure flicker-free and precise lighting control, the unit features selectable high or low PWM frequencies, alongside 8-bit or 16-bit resolution capabilities. These advanced dimming parameters make the product particularly suitable for environments requiring high-definition illumination, including TV and film studios.

The system integrates photoelectric isolation across its DMX interfaces, drastically improving signal transmission efficiency and anti-interference capabilities over long network runs.

A variety of operational parameters can be easily configured via the built-in digital display and tactile menu buttons, or via the integrated DIP switches:

  • DMX address configuration
  • PWM output resolution selection (8-bit or 16-bit)
  • PWM output frequency selection (High or Low)
  • Dimming curve adjustment (Standard or Smooth)
  • Screen timeout display settings
  • Quick self-testing functionality

The DMX signal input and output ports for this decoder offer exceptional versatility, featuring both 3-pin XLR and RJ45 connections, completely isolated for maximum signal integrity.

Please note that this unit requires a suitable 12-24V DC LED power supply. Simply connect the decoder to an appropriate LED driver and a master DMX control source to achieve professional, flawless control over your constant voltage LED strips and associated lighting arrays.

Quick Specs

  • ColourGrey
  • Guarantee Period5 Years
  • IP RatingIP20 Non-Waterproof
  • Input Voltage12V / 24V DC

What's in the box

  • LTECH 4 Channel DMX/RDM Constant Voltage Decoder
  • Instruction manual

Technical Specification

  • Product Code: LT904
  • Product Packed Gift box
  • Manufacturer LED Technologies
  • Product Type Decoder
  • Colour Grey
  • IP Rating IP20 Non-Waterproof
  • PWM Frequency Adjustable (High and Low settings)
  • Guarantee Period 5 Years
  • Current 8A x 3CH (Max 24A)
  • Input Voltage 12V / 24V DC
  • Output Voltage 12V / 24V DC
  • Connectivity DMX 512 protocols
  • PCB Weight Not Applicable
  • Size 122 x 110 x 37mm (L x W x H)
  • Dimmable: Yes
  • Dimming Method 0-100% dimming range
  • Power Factor > Not Applicable
  • Voltage Type Constant Current
  • Adjustable Dimming Curve & Gamma Value Yes
  • Adjustable Bit Rate Yes
  • Adjustable PWM Yes
  • Relative Humidity 8% to 80%
  • RDM Yes
  • Operating Temp 0-40°C

Product Datasheets

  • pdf LT-904 Datasheet Download