1 In 3 Out Optical Audio Splitter: One way of optical fiber signals Splitter to three sets of SPDIF/slink/optical signal receiving device. No Signal Loss: Used optical fiber cable loss less The 0.2dB/M, output distance is up to 40m/130ft. Support Audio format: Support digital 5.1Ch Dolby-AC3/DTS/PCM/LPCM2.0, 32kHz, 44.1kHz, 48kHz and 96kHz, it does not support 7.1Ch Dolby digital Plus, Dolby Trued, because 7.1Ch Audio cannot be transmitted via fiber optic cable and must be transmitted over HDMI cable. SPDIF/Toslink Digital Optical Audio Splitter Plug & Play, Built-in ESD electrostatic protection circuit, all-round protection system security. Material:Aluminum alloy colour:black Package Contents: 1 * Optical Audio Splitter 1x3 1 * Optical Cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.