... light; Immune to electrical noise,thus completely eliminating any chance for RFI, EMI or ground loop interference]Toslink Digital Audio Cable provides the ... Disc player/recorder, Hard disk driver/recorder,Outboard AD/DA converter, SAT top boxes, cable boxes;Item No. AX-F50A ... player/recorder, Hard disk driver/recorder,Outboard AD/DA converter, SAT top boxes, cable boxes; digital optical cable AX-F50A