Panlong HDMI Audio Extractor 5.1 Optical or Stereo RCA - HDMI to HDMI and Audio Converter Splitter with ARC, 4K, 3D 1080P Support One HDMI 1.4 Input to One HDMI 1.4 + One Optical SPDIF and Analog RCA Audio Output HDMI input supports MHL devices by an optional MHL-HDMI cable (like Samsung Galaxy S3 S4 S5 Note 2 3) Three audio EDID settings: PASS/2.0CH/5.1CH. SPDIF Output supports up to 5.1CH Dolby Digital, DTS Audio; Analog RCA output supports 2CH PCM stereo audio Supports ARC (Audio Return Channel, audio is available from the To slink Output); HDMI Supports 4K2K, Full HD 1080P and full 3D; HDCP & CEC Pass Through Plug & Play; Durable metal enclosure; Free lifetime technical support and one-year warranty by Ace Deal