Optical Audio Splitter: One way of optical fiber signals splitter to three sets of SPDIF/TosLink/Optical signal receiving device. | Support signal retiming Use optical fiber cable loss less the 0.2dB/m, Output distance is up to 40m; | Aluminum Alloy Design: Overall Shielding without Signal Interference, Ensure high-quality audio signal; | Over-voltage protection can prevent the damage caused by connecting unmatched power adapter to the machine. | Supports all digital Toslink SPDIF audio, Dolby Digital & DTS 5.1, PCM Stereo 32kHz, 44.1kHz, 48kHz, 96kHz and 192KHz, LPCM;

2-IN-1-OUT Mini 3.5mm Audio selector designed for customers having several audio sources and outputs | ① Select audio input between 1 and 2 with 1/2 switcher and get one output; | ② Select audio output between 1 and 2 to receive one input; | One key to mute; very useful under special conditions | Plug and play; No power needed; Won't affect sound quality.Note: Only one audio is output at a time (you can switch between two audios)