This connection is also known as: optical audio cable; digital optical; fiber optic audio and S/PDIF.
. It carries a digital audio signal from CD, DVD, Blu-ray, satellite box, cable box and computers to AV receivers for multi-channel surround sound reproduction. SpecificationsConnection 1: TOSLINK Digital Audio Male PlugConnection 1: TOSLINK Digital Audio Male PlugLength: 6 'Connection 2: TOSLINK Digital Audio Male Plug Fiber optic cable can faithfully send data without fear of traditional interferences that are typical in a copper-based medium.