Amazon.com: ADJ Products DP-415R 4 Channel DMX512 Dimmer Pack & Accu Cable 25 foot 3 pin true dmx cable rated at 110 ohms end to end to ensure no signal drop : Everything Else
American DJ DP-415 Dimmer Pack | Reverb
ADJ Products DP-415R 4 Channel DMX512 Dimmer Pack American DJ | eBay