CS4K is a multimedia broadcast control server with strong broadcast control function, good scalability and high working stability. It adopts high-performance hardware, which can meet the performance requirements of a 4K@60Hz video signal output. Cooperating with Colorlight’s built-in carefully developed professional video broadcast control software GrandShow, it can simultaneously decode and play materials in different formats, and realize the splitting of multiple screens. Simple special-shaped splicing display such as multi-screen, video discount, etc., and supports multiple scene presets, scene seamless switching and other functional features, which can greatly meet the application needs of the vast video broadcast control industry.