GEFEN GTB-HD4K2K-144-BLK ToolBox 1:4 Splitter for HDMI 4Kx2K Simultaneously displays an Ultra Hi-Def. source on up to four Ultra HD displays Supports resolutions up to Ultra HD 4K x 2K (3840 x 2160 at 30Hz) and 1080p Full HD Supports 12-bit Deep Color 3DTV pass-through Supports LPCM 7.1, Dolby , Dolby Digital Plus, and DTS-HD Master Audio