A component of audio-visual equipment, AV connections enable the transmission of audio and video signals. There are
various AV connector types. These include the RCA connectors, which are frequently used for analog audio and video; the VGA (Video Graphics Array), which is typically used for computer displays; the HDMI (High-Definition Multimedia Interface), which carries high-definition video and audio; and, lastly, the DisplayPort, which enables PCs to connect to monitors. In addition to this, there are connectors for professional audio equipment using XLR connections, headphones and other portable devices using 3.5mm jack connections, and optical audio cables for transmitting digital sound. It could be essential to understand every kind of AV connector while configuring and optimizing an audio-visual setup.