A plug and socket for coaxial cable. RCA connectors are used for analog audio signals (see analog audio). They are also used for digital audio (see S/PDIF) and analog video (see composite video).

Therefore, advancements in coaxial cables foster the growth of the global market. For instance, the 4-Feet Digital Audio Coaxial Cable by Amazon, which is a high-purity coaxial cable, connects ...