**********[2X1 Optical Toslink Switch] Two ways of optical fiber SPDIF Toslink signals switch to one sets of optical fiber signal receiving device. *****[Audio Format Support] Support LPCM 2.0 /DTS/Dolby-AC3*****[Long Output Distance] Used optical fiber cable loss less the 0.2D b/m, Output distance is up to 40m*****[Two Control Ways] The input control can through remote control or also can directly press the button on the device. *****[Installs in minutes] Support last time working state memory when power off Support LED status indication No loss of quality