Optical cables transfer the signal using light; it has the function of eliminating interference It ensure that the digital transmission frequency as high as 250Mbit / s, widely used in CD / DVD / DAT / MD / LD / DAT / Amplifier and other digital equipment Clear, fiber-optic digital audio output through lightweight, flexible cable Fiber optic digital cable is suitable for transmitting digital audio signals This fiber optic cable is designed for HI-FI sound system and home theater system