Profile: Celestial Audio manufactures hardware for dimming control of LED through DMX. Our 4 channel mic preamp and A/D converters are designed for portable surround sound recording and it features 9 steps of LED signal monitoring for each channel, runs on two 9V batteries or DC input & flexible headphone monitoring. Our 16 channel DMX controlled 3500W AC light switchers feature dimming synchronized to AC zero-crossing and AC dimmable yes or no through DIP switch to protect non-dimmable lights or other equipment from damage.