1x4 1in:4out HDMI Distribution Amplifier Amp Splitter Multiplier 3D 1080p 2K 4K
(Multiple display modes: Supports 1x1, 1x2, 1x3, 1x4, 2x1, 2x2, 2x3, 2x4, 3x1, 3x2, 3x3, 4x1, 4x2 modes for you to choose from. 1) 4K only refers to HDMI input signals. It supports up to 4K 30Hz input and 1080P 60Hz output.