Introduction The 4K 2x2 video wall controller , support I-way HDMI or DVI input and 4 HDMi output, the main function is to divide a complete HDMI,DVI HD image signal into 4 blocks and assign to 4 video display unit (such as Roar projection unit, LCD TV, otc.), Comploete with 4 HDMI high-definition video display units to form a large dynamic image screen. Features • Support 1 DVI or HDMI input • Input support HDM11.4 ,HDCPI .4 * Support 4 HDMI outputs, 3.5mm audio output • Input resolution include 1920x1080P 25/30/50/60HZ,3840x2160P 24/30HZ; Output resolution include 1920x1080P 60HZ * Input format: RGB/YUV 24bit; Output format: RGB444 24bit * Support RS232 control * Easy to operate, plug and play * DC12V/2A power adapter Multiple splicing modes