Found most often on microphones or mixers but also used for line level signals on some professional gear. Important to note that although the wiring is often pin 2 high, pin 3 low and pin 1 ground, ...

XLR connectors are robust and are balanced connections which means they can be used over long runs of cable, which is essential for use during live performances or in recording studios.

A plug and socket used in professional audio equipment, lighting controls (see DMX512) and other applications. It uses a balanced connection and locks into the socket. XLR connectors are twice the ...