... NO:HT-3106 Digital Optical Audio Cable Toslink to Toslink cable Functions: High-Purity Wide-Band Audio Transmission Optical cables transfer the signal ... RFI, EMI or ground loop interference] Toslink Digital Audio Cable provides the cleanest possible signal, even at extreme volume ... recorder,Outboard AD/DA converter, SAT top boxes, cable boxes; Audio receivers, Dolly Digital DTS Surround sound receiver, ...