TOSLINK/SPDIF Optical Audio 3X1 Switcher with 5.1CH Decoder for Analog L/R and Headphone Outputs 3*SPDIF/TOSLINK inputs; 1*SPDIF/TOSLINK output, 1*L/R analog audio output and 1*3.5mm headphone output. Built with state of the art 24bit DSP and 96KHZ/24bit DAC, delivering super-fast HW decode. 3x1 optical toslink switch supports all digital SPDIF audio formats: Dolby AC3, DTS, THX, PCM ETC, etc. Toslink switcher supports plug & play, switch to one optical port on your headphone, sound bar, AV receiver or amplifier. Automatic identify input digital audio signal format and output stereo analog audio. And DC5V/1A power adapter with overvoltage protection.