2x2 Video Wall Controller Processor 1x2 1x3 1x4 2x1 3x1 4x1 4K DVI HDMI Switcher
Support TV flip 180° (2 2 mode only), and flip the top row of TVs to make the splicing gap smaller and more beautiful. Also, this HDMI video image processor equipped with a separate stereo audio port to connect speakers.