ProX X-DMX3CH Dimmer for DMX Devices and LED Lighting Strip TapeProX X DMX3CH Decoder Controller for DMX Driver Dimmer for DMX Devices and LED Lighting Strip Tape. This DMX decoder is an advanced lighting controller that uses a computer control chip to receive and convert international DMX 512 standard digital control signals into PWM controller signals to drive LED lights. With its ability to be controlled by a DMX Console and the capability of connecting to multiple DMX Decoders, it can increase the output power