4 x 2 HDMI Matrix Switch [Ultra HD 4K x 2K], FosPower 4 in 2 Out Switcher/Splitter with Optical & L/R Audio Output - Support 3D 1080p | ARC - Includes IR Remote Control & Power Adapter Input: HDMI x 4; Output: HDMI x 2, Optical x 1, L/R 2RCA x 1 (WARRANTY - This product comes with a limited lifetime warranty. ) Supports 4K Ultra HD (4Kx2K@30Hz), 3D (1080p@120Hz), Full HD (1080p@120Hz) Supports DTS-HD, Dolby TrueHD, DTS, Dolby Digital AC3, DSD, LPCM 7.1 Supports HDCP 1.4 and Audio Return Channel (ARC) Supports Digital Visual Interface (DVI) via HDMI to DVI adapter (not included)