Kinivo HS420-AD Premium 42 High Speed HDMI Matrix with Optical SPDIF Audio Output- Supports 3D, 1080p (42 - Four Inputs to Two Outputs) Advanced Matrix output connects four HDMI inputs and two HDMI outputs; 1 Year Warranty Full metal enclosure jacket keeps the unit cool by aiding in quick heat absorption and dissipation Supports manual switching using the supplied IR wireless remote or buttons on the matrix Supports 3D and HD resolutions up to 1080p; HDCP 1.2 compliant; Deep color up to 36-bit; Supports all Digital Audio formats 1 year warranty