A cable used to transfer analog or digital signals from an audio source to an amplifier or powered speaker. Cables are identified more by their plugs and sockets than by the shape or color of the wire that is used. See
analog audio and
audio connections.
Analog Mini-Phone (Headphone Cable)
Found on most every portable device that outputs analog audio, the 3.5mm mini-phone socket (left) is just a small hole. In 2016, Apple was the first to eliminate this ubiquitous connection (see
iPhone 7).
Analog and Digital Coax
Coaxial cables with RCA connectors are widely used for analog stereo as well as digital audio from cable boxes, Blu-ray/DVD players and other sources. See
RCA connector.
Digital Optical Cable
The TOSLINK cable is used to provide an optical path from a cable box, Blu-ray/DVD player or other audio source to an amplifier. See
TOSLINK.