SPDIF TOSLINK Digital Optical Audio Switch Switcher Box 3 in 1 5.1CH Decoder 3-Ports SPDIF/TOSLINK inputs, Supports SPDIF/TOSLINK output, L/R analog audio output and 3.5mm headphone output 24bit DSP and 96KHZ/24bit DAC, delivering super-fast HW decode SPDIF/TOSLINK input & output ports support all optical audio formats: Dolby AC3, DTS, THX, HDCD, PCM ETC, etc. Automatic identify input digital audio signal format and output stereo analog audio DC overvoltage protection