MT-VIKI HDMI 4 in 2 out Matrix Splitter Switch Distributor Selector 1.4 4K 3D IR Remote Conrol with Stereo L/R Audio MT-HD4x2 mt viki 3x1 4k hdmi switch selector 3 input 1 output switcher support 3d ir remote controller 4k 2k usb power mt sw301sr