It uses a balanced connection and locks into the socket. XLR connectors are twice the size of the standard RCA plugs and sockets found on consumer equipment. See analog stereo. THIS DEFINITION IS ...

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.

AES3 uses 110 ohm shielded twisted pair (STP) cable with XLR connectors up to a distance of 100 meters. AES3id uses 75 ohm coaxial cable and BNC connectors for up to 1,000 meters. "Unbalanced ...