1、[Multi Input And Output] Support 4 channel HD Multimedia Interface input (1 channel 4k at 60hz, 3 channel 4k at 30hz), 1 channel dp input (4k at 60hz), 9 channel HD Multimedia Interface output (1080p at 60hz), 1 channel HD Multimedia Interface bypass (picture is consistent with the splicing picture), 1 3.5mm headphone stereo output. 2、[High Compatibility] Video wall controller, single device, 5 into 9 out (1x1 to 4x4 compatible), a variety of splicing methods, horizontal, vertical, 2x2, and support large scale cascade and parallel use with loopout port. 3、[Multi Split Mode] Video wall processor supports maximum full screen 4 split, supports a variety of splitting modes (single screen, double screen with picture in picture, four screen splitting), any input source channel can be assigned to the split screen. 4、[High Resolution] Input resolution up to 3840x2160 at 60Hz, backward compatible, an output resolution, the output resolution supports up to 1920x1080 at 60hz (output support custom standard resolution). No stretch, no distortion, even 1x6, 1x7, 1x8, 1x9 no distortion, the output is 1080p Full HD clear. 5、[Easy Rotation And Control] This video wall splicer input support full screen 90° rotation (single screen mode only), the output support the first line 180° rotation (only support splicing mode when two lines), support remote control, key, RS232 control.