The first and most obvious difference between balanced and unbalanced audio is that while an unbalanced line, like that RCA cable behind my stereo ... connections, the XLR or Cannon plug.

A plug and socket used in professional audio equipment ... socket. XLR connectors are twice the size of the standard RCA plugs and sockets found on consumer equipment. See analog stereo.

Audio cables transmit audible signals such as voice and ... Composite multi-signal cables use XLR connectors, 1/4" and 1/8" stereo connectors, RCA plugs and other types of connectors to terminate the ...