XLR to RCA Cable manufacturers tell you that RCA is an acronym for Radio Corporation of American because the RCA connector was invented by this company. XLR to RCA Cable manufacturers tell you that RCA is commonly known as a lotus socket, and almost all TVs and DVD players have this interface. The XLR to RCA Cable manufacturer tells you that it is not specially designed for any kind of interface. It can be used for both audio and ordinary video signals. It is also a DVD component (YCrCb) socket, but the number is three.

XLR to RCA Cable manufacturers tell you that RCA connectors are by far the most common audio/video terminal. The two-wire terminal was invented by the RCA recording company long before the radio, and there is an older and weirder term called the "turntable" terminal.
XLR to RCA Cable manufacturers tell you that RCA terminals use coaxial transmission of signals, the central axis is used to transmit signals, and the outer contact layer is used for grounding, which can be used to transmit digital audio signals and analog video signals. XLR to RCA Cable manufacturers tell you that RCA audio terminals are generally marked in pairs with different colors: red for the right channel and black or white for the left channel. In some cases, the center and surround channel cables are color-coded to facilitate wiring distinction, but all RCA connectors throughout the system are electrically identical. XLR to RCA Cable manufacturers tell you that generally speaking, RCA stereo audio cables are a group of left and right channels, and each channel is a line in appearance.