Wiistar Hdmi to Hdmi and Optical Spdif + RCA L / R Audio Converter Hdmi Audio Extractor Splitter De-embedder (Hdmi In, Hdmi + Digital / Analog Audio Out) HDMI Audio Splitting: One HDMI In to One HDMI Out (Pass-through), plus SPDIF (Optical) and Analog RCA Audio Outputs; designed for extract the 5.1CH/2CH audio embedded in HDMI source like Chromecast, Blu-ray player, cable box, Apple TV, etc. HDMI v1.3 Supported: HDMI Supports Full HD 1080P, 3D and 36-bit deep color; HDCP & CEC Pass Through. Three Audio EDID Settings: Pass, 2CH and 5.1CH for the Best Flexibility. SPDIF Output supports incoming 2CH PCM, 5.1CH Dolby Digital, DTS Audio (Dolby Digital Plus not supported); Analog RCA output supports incoming 2CH PCM stereo audio. Plug and play. High quality metal enclosure for excellent heat dissipation and longivity.