Fiber Optic 400 Advanced Performance Audio Cable - 2 Meter Heavy-duty molded connectors for long-lasting durability and performance. Precision-polished fiber terminations minimize internal reflections for improved digital signal transfer. "O" ring rubber grip allows easy connector handling. Heavy-duty strain relief prevents fiber and connector damage during cable installation or removal. Specially tuned optical fiber for low dispersion and higher fidelity distortion for more accurate audio reproduction.