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Product Information





Key Features
High-Current Single Channel
Delivers a robust 20A maximum current on a single channel, perfect for demanding, large-scale single-color LED strip installations.
DMX512 & RDM Protocol Support
Integrates seamlessly into standard DMX512 lighting systems and supports RDM for convenient remote discovery, addressing, and status monitoring.
Wide Voltage Compatibility
Operates on a versatile DC 12-24V input, making it compatible with a wide range of common constant voltage LED strips.
Smooth PWM Dimming
Provides precise, flicker-free brightness adjustment for smooth dimming effects from 0% to 100%, suitable for professional applications.
Easy DMX Address Setting
The DMX start address can be easily assigned via an RDM-compatible master controller, streamlining the commissioning process.
Compact & Durable Design
Features a compact form factor for easy concealment and a durable housing designed for long-term reliability in various environments.
Technical Highlights
- Standard DMX512 Compliance: Adheres to DMX512, DMX512(1990), and DMX512-A protocols for universal compatibility.
- RDM Bi-Directional Communication: Enables remote management, significantly reducing on-site setup and maintenance time.
- High Load Capacity: Single channel output is rated for a continuous 20A load, ideal for high-power LED applications.
- Reliable Signal Transmission: Features robust signal input and output terminals for stable, daisy-chained DMX connections.


Product Specifications
| Parameter | Details |
|---|---|
| Product Name | 1-Channel Constant Voltage DMX512 & RDM Decoder |
| Model No. | D1-CX |
| Input Voltage | DC 12V ~ 24V |
| Output Type | Constant Voltage (CV) |
| Output Channels | 1 Channel |
| Output Current | 20A/Channel |
| Total Output Current | Max 20A |
| Input Signal | DMX512, RDM |
| DMX Address Space | Occupies 1 DMX Address |
| Working Temperature | -20~60℃ |
| Application | Single Color LED Strips |
Application Scenarios

How to Control & Use This DMX Decoder
- Connect the DC 12V or 24V power source to the 'Input' terminals, ensuring correct polarity (V+ and V-).
- Connect the positive and negative wires from your single-color LED strip to the corresponding 'Output' terminals.
- Connect the DMX signal cable from your DMX512 master controller or the previous decoder in the chain to the 'DMX Signal Input' port.
- If adding more decoders, connect a DMX cable from the 'DMX Signal Output' of this unit to the input of the next.
- Use an RDM-enabled DMX controller to discover the decoder and assign its unique DMX start address. This decoder will occupy one address.
- Power on the entire system and use your DMX console to send dimming commands to the assigned address to test and control the connected LED strip.
- Always ensure the voltage of your power supply (12V or 24V) matches the voltage requirement of your LED strip.
- The total power consumption of the connected LED strip must not exceed the decoder's maximum load of 20A.
- Double-check all wiring polarity before applying power to prevent damage to the decoder or LED strip.
- For a complete DMX512 decoder manual and detailed wiring diagrams, please see the datasheet available in the Downloads section below.
What's in the Box
- ✓1 x D1-CX DMX512 & RDM Decoder
- ✓1 x User Manual
⇩ Downloads & Documents
Frequently Asked Questions
Q: What is the difference between the D1-CX and the D4-CX decoder?
A:The D1-CX is a single-channel decoder with a high 20A capacity, designed specifically for dimming single-color LED strips. The D4-CX has four channels (typically for RGBW strips) with a lower current rating per channel.
Q: What does RDM do and why is it useful?
A:RDM stands for Remote Device Management. It allows your DMX controller to communicate back and forth with the decoder, enabling you to remotely set its DMX address and check its status, which greatly simplifies installation.
Q: Can I use multiple D1-CX decoders on one DMX line?
A:Yes, you can connect many D1-CX decoders in a daisy-chain configuration. Simply connect the DMX output of one to the DMX input of the next, and assign each decoder a unique DMX address.
Q: What type of lighting is this decoder compatible with?
A:This decoder is designed for constant voltage (CV) single-color LED strip lights that operate at either DC 12V or DC 24V.
Q: How is the DMX address set on this device?
A:The DMX address is set digitally via an RDM-compatible DMX master controller. This eliminates the need for manual DIP switches and allows for faster setup.
Q: Is a power supply included with the D1-CX decoder?
A:No, a power supply is not included. You will need to purchase a separate DC 12V or 24V LED power supply that can handle the total wattage of your connected LED strip.
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Downloads
Files for D1-CXImages
These images were taken with Canon EOS 5D Mark IV and the studio light source is provided by Ra 98's full spectrum LED strip to realistically reproduce the colors of the item itself. All copyrights are created by the superlightingled team, please feel free to browse and download if you are a registered user!

LED Strip Lights Guide
Here you can learn anything about LED strip lights — pick the topic you are interested in to go deeper. We cover LED strip lights, power supplies, controllers, accessories, and how to connect LED strip lights. You can also watch our demo videos.
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Controller for led strip lights
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