MIDI an acronym for (Musical Instrument Digital Interface) is a technical standard that describes a communications protocol, digital interface, and electrical connectors that connect a wide variety of electronic musical instruments, computers, and related audio devices for playing, editing and recording music.

XLR Cable connector is a type of electrical connector primarily found on professional audio, video, and stage lighting equipment. The connectors are circular in design and have between three and seven pins They are most commonly associated with balanced audio interconnection, including AES3 digital audio but are also used for lighting control, low-voltage power supplies, and other applications XLR connectors are available from a number of manufacturers and are covered by an international standard for dimensions.

Phono Cable serves to connect the tonearm of a turntable to a phono preamp. This is the case in most Hi-Fi set-ups with a vinyl system The phono cable will therefore come in between the tonearm of the turntable and the phono preamp.