Panlong 3-Port SPDIF TOSLINK Digital Optical Audio Switch Switcher Box Three optical audio signals (from Apple TV, PS3, Xbox, Blu-ray player, cable box, etc) switch to one Optical port on your AV receiver or amplifier; No loss of quality Supports all digital optical audio formats including LPCM2.0/DTS/Dolby-AC3 When using optical fiber cable loss of less than 0.2Db/m, output distance can be up to 40m Input can be selected through remote control or button on the switcher Plug and play; signal retiming support, Power-off memory, Over-voltage protection, and LED status indication. One-year warranty by Ace Deal