When using a Toslink (EIA-J) fiber optic cable, it is the “one” most important audio cable in your system. The sound quality of all the channels, whether two or five or more, are dependent on this one cable to deliver an undistorted, smooth, clear and dynamic performance. The thoroughly engineered synthetic fiber in CinemaQuest OptiLink-1 minimizes signal loss and jitter (time based distortion). The plug’s brass ferrule also contributes to ideal light transmission and the highest quality sound at a reasonable price.