Generically known as optical audio, the most common use of the TOSLINK optical fiber connector is in consumer audio equipment in which the digital optical socket carries (transmits) a stream of digital audio signals from audio equipment (CD player, DVD player, Digital Audio Tape. Generically known as optical audio, the most common use of the TOSLINK optical fiber connector is in consumer audio equipment in which the digital optical socket carries (transmits) a stream of digital audio signals from audio equipment (CD player, DVD player, Digital Audio Tape. Global Recycled Standard (GRS) certified products contain recycled content that has been independently verified at each stage of the supply chain, from the source to the final product and meet social, environmental, and chemical requirements. The purchase of Global Recycled Standard (GRS) certified. The Thor Fiber F-2A-TXRX Analog Audio over One Fiber Transmitter and Receiver Kit helps solve sending unbalanced audio over long distances using fiber. The audio fiber optic transmitter, converts analog audio 20hz to 20Khz fiber optic modulated digital stream so it could be transported over single. Experience crystal-clear digital audio with fiber optic cables. Discover options with gold-plated connectors, CL3 rating, and various lengths to fit your setup. TOSLINK (Toshiba Link) is a standardized optical fiber connector system. The opticalCON DUO cable connector accommodates a standard. A connector with four optical multimode or single-mode PC or single-mode APC channels, based on LC technology, is housed in a rugged metal casing.