Please Check and Match the Cable Ports (Both Sides) Properly Before Ordering. Upix® Supreme Quality Digital Optical Fibre Cable is a complete tool to transmit accurate and maximum data of the optical signal for the pop-up plug. It is widely used with CD, DVD, DAT, MD, LD, Sound Bar, BluRay Player, MP4 and other digital equipment to deliver enhanced sound quality. One end of the fibre optic cable is inserted into DVD optical interface (OPT OUT) and other end plug into the power amplifier (OPT IN). This product is genuine, compatible and operates very effectively. It gets shipped only after proper quality check and assurance.