Please REMOVE the end protective caps before using the cable. Toslink cable for connecting an audio component (like a sound bar) to a TV, receiver, preamplifier, audio processor, or digital-to-analog converter. Provides multi-channel, fiber-optic digital audio output; buffer tubing and gold-plated corrosion-resistant connectors help ensure a clear, smooth-flowing signal. CL3 rated for safe in-wall installations; made with low-smoke materials for fire resistance. PVC outer layer provides added strength; flexible and lightweight cable; when unplugged, protect connectors with removable rubber tips (included). Measures 15 feet long.