New Next working day delivery DMX512 LED CONTROLLERS DMX512 4-Channel DIN Rail Decoder with RDM | 12-24V Constant Voltage Hi-Line Lighting HL-D4 £33.00 A high-performance DMX512 DIN rail decoder with 4-channel output, supporting RGBW and dimmable LED strips. Features RDM support, adjustable PWM frequency, and built-in protections. UKCA certified. Add to basket