Use this cable to transfer high definition digital audio from your DVD, HDDVD, Blu-ray, DVR, Satellite/Cable Box, etc. to your TV or AV receiver. The PCD Basics includes many patented technical innovations for significant performance over lesser brands. Some of them include: A 5.0mm jacket which provides strain relief and helps protect against damage; Molded strain relief minimizes stress where the connectors and cable meet; Gold-Plated Ferrule reduces corrosion and protects the fiber tip; and Precision polished fiber tips for maximum signal transfer. This is a premium quality product for an unbeatable price, please let us know if you have any questions!