LTECH D4 4-Channel DMX512/RDM LED Decoder

12–48V Constant Voltage DMX Decoder for RGBW LED Control

The LTECH D4 is a professional 4-channel DMX512/RDM decoder designed for controlling constant-voltage LED lighting. It supports single-colour dimming, tunable white, RGB and RGBW applications, making it ideal for architectural, hospitality, retail and commercial lighting projects. 

Operating from a 12–48V DC input, the D4 provides four independent output channels rated at up to 8A per channel, with a maximum total output current of 32A. Its high output capacity makes it suitable for controlling larger LED loads from a single compact decoder. 

The D4 supports both DMX512 and RDM communication, with 3-pin XLR, RJ45 and terminal connections for straightforward system integration. Selectable 8-bit or 16-bit grey levels and adjustable dimming curves provide smooth and precise lighting control across professional installations. 

Compact and easy to integrate, the D4 also includes reverse-polarity, short-circuit, over-current and over-temperature protection with automatic recovery. Its combination of four-channel output, high current capacity and flexible DMX control makes it a dependable solution for professional constant-voltage LED lighting systems.