... :1.This device allows you to connect a single digital optical SPDIF Toslink source two different TosLink equipped devices ... completely eliminating any chance for RFI, EMI3.ToslinkDigital Audio Cable provides the cleanest possible signal, even at extreme volume ... VHS player, Game Console, A/V Receiver, Digital Video 3.Recorder, Satellite Receiver, Digital Cable Box, Computer sound card, Home 4.Theater ...