This Toslink Digital Audio Cable provides you the cleanest possible signal, even at extreme volume levels Optical cables transfer the signal using light; thus completely eliminating any chance for RFI, EMI or ground loop interference Connect to your DVD, CD, Mini Disc, DAT other digital audio equipment for clear, full and richly detailed sound These cables use 1mm low-loss core, low-jitter synthetic fiber and heavy metal connectors to dampen vibration, giving you the ultimate listening experience.