The BlueRigger Toslink optical audio connection carries a digital audio stream using a fiber-optic cable. It is perfect for connecting your audio devices such as CD/DVD players to a receiver, preamplifier or audio processor Home-Theater Application Toslink cable allows enjoyment of movies with Dolby Digital and DTS surround sound. It helps connect audio components such as CD/DVD player, digital satellite and more to your home/audio theater system, preamplifier, receiver, audio processors and digital-to-analog converters (DACs). Optical fiber & precision-polished optical connectors provides crystal clear sound. Note: Please Remove Protective Rubber Tips Prior to Installation. Construction - The Lightweight and flexible BlueRigger Toslink cable is made of up of a durable PVC outer layer - It has gold-plated connectors that resist corrosion and offer optimal signal transfer and - It uses an optical fiber cable The fiber-optic cable prevents electromagnetic and radio frequency noise leaving you with greater sonic accuracy and a more detailed, natural sound unlike an electrical cable. Lengths BlueRigger Toslink cables are available in 3ft,6ft,10ft, 15ft, 25ft and 50ft lengths. Warranty All BlueRigger Toslink cables are backed by a Limited Lifetime warranty. Please contact us via email if you have any questions.