The 8K 2x2 video wall controller supports HDMI input and 4 HDMI output, dividing a complete HDMI HD image signal into 4 blocks and assigning to 4 video display units. It features pure hardware design, plug and play, and no need for additional software. The controller supports input 8K30Hz, 4K60Hz, 4K30Hz and output 4K30Hz, 1080p60Hz, 1080p30Hz. It also supports video formats such as RGB, YCbCr4:4:4, YCbCr4:2:2 and audio format L-PCM2.0. The package includes the video wall controller, power adapter, and manual.