Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. Optical S/PDIF (aka Toslink) cables are an excellent way to distribute high-definition multi-channel audio without the risk of common electrical problems such as ground loops or RF and EM interference. This cable features a full-sized Toslink connector on each end and molded connector heads and strain-relief boots. Features: Full-sized male TOSLINK optical audio connectors at each end 5.0 mm outside diameter.