4 pin XLR male connector layout
4 pin XLR male connector
Application Pin 1 Pin 2 Pin 3 Pin 4 Notes
AMX 192 screen (analogue 0V) clock + analogue multiplex clock -  
Canford Talkback 1cct headset Mic earth/scr Mic signal Earphones earth/scr Earphones signal  
Clearcom talkback headset Mic earth/scr Mic signal Earphones earth/scr Earphones signal  
Diversitronics (analogue) superstrobes signal ground supply (+ve) not used  
Pyro Pack Control channel 1 channel 2 channel 3 common  case to case ground for PP 1 use
Rosco gobo rotator Forward A Reverse A Forward B Reverse B  
Scroller (generic) ground -ve data +ve data +24VDC or +48VDC power NOT Wybron!
Wybron Scroller +24v DC -ve data +ve data ground non standard!
dc power of pro broadcast gear negative n/c n/c positive (+12V)  
Audeze LCD-2/3 pin out

Channel +



Channel - Channel + Mini-XLR only. One channel
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