Audio Solutions AS-T-2013 Optical Cable 2000 Series, 13-Feet The optical fiber in these cables is protected by a polyethylene (PE) dampening layer, ensuring long term performance. Precision polished terminals are corrosion resistant and provide maximum light transmission and low jitter over the life of your system. Not only are these 24K gold plated connectors good looking, they are corrosion resistant and provide maximum signal transfer over the life of your system. A flexible and durable gray cotton braid jacket provides great looks and rugged durability, while the color-coded metal hybrid shell makes for easy identification and handling. Best Quality Optical Fiber. Polyethylene (PE) Dampening Layer. Precision Molded Gold Plated Connectors. Precision Polished Fiber Termination. Gray Cotton Braided Jacket