-One way of optical fiber signal input splitter to three sets of SPDIF/Toslink signal receiving device -Audio format support: LPCM2.0/DTS/Dolby-AC3 -Support signal retiming -Use optical fiber cable that losses less than 0.2dB/m, Output distance is up to 40m -Over-voltage protection can prevent the damage caused by connecting unmatched to the machine -No loss of quality -Installs in minutes