Cables Unlimited AUD920515 Pro A/V Series 15-Feet M-M Toslink Digital Cable 24K gold-plated collar keeps your optical lens safe and protects it from damage A curved, polished optical fiber lens precisely focuses light for incredible digital audio clarity Experience true digital surround sound from your Dolby Digital and DTS capable components Inner cladding over the high-grade optical fiber creates a low refractive index for signal accuracy Thick outer jacket and heavy-duty strain relief prevent kinking to maintain digital signal integrity