Wiistar Digital Optical Audio Switch 3x1 Toslink 3 In 1 Out with Analog RCA and 3.5mm Headphone Output 3x TOSLINK input; Supports 1x TOSLINK output, L/R analog audio output and 3.5mm headphone output Built with 24bit DSP and 96KHZ/24bit DAC for super-fast hardware decoding TOSLINK input & output ports support all optical audio formats: Dolby AC3, DTS, THX, HDCD, PCM etc.; Automatically identifies input digital audio format and outputs stereo analog audio Dual-function button for input selection and power on/off the unit: push to switch input; push & hold for 3 seconds to power off the switcher; then push to power on Plug and play; Durable Metal Enclosure; High tone quality, low noise; Power-off memory; DC overvoltage protection