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 alloycolour:blackPackage Contents:1 * Optical Audio Splitter 1x31 * Optical CableOnly 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.