Amazon.com: DMX512 to 4CH 0-10V Decoder 0-10V LED Dimmer DMX512 Signal to 0-10V Signal RGB/RGBW controller 4 Channel Dimmer 5-24V : Musical Instruments
KAA-4R4V-10 - Mean Well - KNX LED ACTUATOR/DIMMER, 4CH, 10A
Used Leprecon ULD-340 Twistlock 4ch Dimmer
CHAUVET DJ DMX-4LED 4-Channel Dimmer Pack DMX-4 B&H Photo Video
I2C 4CH AC LED Dimmer Module from KRIDA Electronics on Tindie
I2C 4CH AC LED Dimmer Module from KRIDA Electronics on Tindie