Features: 1. Optical Splitter 1 in 3 out: This Toslink splitter splits a single SPDIF (Toslink) Digital Optical Audio signal into three outputs. It allows you to connect a single optical audio source, such as the output of a gaming console or Blu-ray player, to three devices, such as a television and an AV receiver,or amplifier. Provide clean, accurate audio, with no distortion or signal interference 2. Aluminum Alloy Design: Overall Shielding without Signal Interference, Ensure high-quality audio signal 3. Signal Transmission Distance: The transmission distance of the optical fiber audio splitter can reach up to 40 meters/130 feet, and the loss of the fiber optic cable is less than 0.2 dB/M ,sampling frequency up to 96 KHz 4. Voltage Protection: Over-voltage protection can prevent the damage caused by connecting unmatched power adapter to the machine. 5. Optical Digital Audio Splitter Support LPCM2 0/DTS/Dolby-AC Specifications: Support audio format: LPCM2 0/DTS/Dolby-AC Input Optical Format: Dolby Digital & DTS 5.1, PCM Stereo 32kHz, 44.1kHz, 48kHz, 96kHz and 192KHz Output Optical Format: Dolby Digital & DTS 5.1, PCM Stereo 32kHz, 44.1kHz, 48kHz, 96kHz and 192KHz Power supply: DC5V/1A Includes: 1x Optical Audio Splitter 1x3 1x Micro USB Power cable 1x Power adapter 1x Optical Cable 1x User Manual Note: 1. If there is no sound output. a, Check the signal receiving equipment and the machine connected are in good condition. b, Check if the signal source is on and well connected. c, Check the system connection quality. d, Check if the line is all quality. 2. If sound interrupted, please try again to connect the cable to be free from the unsuccessful connection. 3. 7.1CH Dolby Digital Plus and Dolby Trued are not supported because 7.1-channel audio cannot be transmitted through fiber optic cables and must be transmitted through HDMI cables.