LED DMX512 Decoder Controller – 3CH/4CH Constant Voltage
The DMX512 LED decoder controller provides professional-grade digital lighting control for commercial and stage applications requiring precise, synchronized multi-fixture operation. Compliant with the USITT DMX512-A protocol standard, this decoder receives DMX signals from any DMX console or software controller and converts them to PWM output for LED strip control.
The decoder supports 3-channel (RGB) and 4-channel (RGBW) output modes with user-selectable DMX addressing via DIP switches. Each output channel delivers up to 4A at 12-24V DC with 8-bit (256-step) or 16-bit (65536-step) PWM resolution selectable for ultra-smooth dimming, especially at low brightness levels critical for theatrical and broadcast applications.
The decoder features automatic DMX signal detection with last-state hold on signal loss, preventing sudden blackouts. An integrated LCD display shows the current DMX address, channel mode, and output status for quick on-site configuration. The XLR-3 and RJ45 dual input connectors provide flexible wiring options compatible with standard DMX cabling infrastructure.
Specifications
| Parameter | Specification |
|---|---|
| Protocol | DMX512-A (1990) |
| Output Channels | 3CH (RGB) / 4CH (RGBW) |
| PWM Resolution | 8-Bit (256) / 16-Bit (65536) |
| PWM Frequency | 500Hz / 2KHz / 4KHz Selectable |
| Input Voltage | DC 12-24V |
| Max Output | 4A per Channel |
| DMX Connectors | XLR-3 + RJ45 Dual Input |
| Address Setting | DIP Switch + LCD Display |
Applications include stage and theater lighting, TV studio set illumination, architectural facade lighting with DMX control systems, concert and event production, and museum gallery lighting requiring precise color temperature and intensity control across multiple zones.
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