New Next working day delivery DMX512 LED CONTROLLERS D4-L DMX512 RGBW LED Controller | 4-Channel Constant Voltage Hi-Line Lighting HL-D4-L £29.50 A versatile, high-performance 4-channel constant voltage controller for professional LED lighting. It supports RDM for remote management, advanced dimming with 8-bit and 16-bit grey scales, and multiple dimming curves. The controller handles up to 5A per channel, with a recommended total current of 13A for optimal performance. Standalone RGB/RGBW modes... Add to basket