Blupow SPDIF | TOSLINK Digital Optical Audio Switcher 3x1 with IR Remote 3 Port Digital Optical Audio Switch Three toslink optical audio input signals switch to one toslink optical output Input can be selected through remote control or button on the switch Output distance is up to 40m, with optical fiber cable loss of less than 0.2Db/m Can be placed out of sight with the included IR receiver Audio format: support all toslink digital optical audio formats up to 192KHz