Mini optical cables are a compact version of standard optical cables, and they are designed for use in smaller, portable devices. This method eliminates the risk of interference from electromagnetic signals (EMI). The process starts by converting electrical signals into light at the source end. Our revolutionary, one-of-a-kind OptiTuff Mini Fiber Cable utilizes advanced, ruggedized thermoplastic material as a cost-effective, top-quality alternative to traditional metal armored cable. Compared to non-armored fiber cables, this all-dielectric armor provides superior durability and crush. 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 recorder, computer. Experience superb sonic clarity and accurate musical reproduction with this S/PDIF (Toslink) Digital Optical Audio Cable from Monoprice™! The Sony®/Philips® Digital Interface Format (S/PDIF) provides for a Digital Optical Audio signal, commonly referred to as Toslink®. Enables seamless connection between optical and mini plug devices. The audio frontier is all abuzz these days with the pleasure possible though HDMI, USB, FireWire® and Ethernet.