TV wall controller is an HD picture splicing video controller specially designed for LCD TVs, ultra-narrow bezel LCD screens and projectors. According to user needs, 4,6,9, and 12 channels of HDMI output can be customized, and unlimited splicing can be customized through the cascade. The product uses high-definition processing chips to support the input and output of 1080P signals. Supports one composite video, one VGA, one USB, one DVI, and one HDMI input at the same time, all input signals can be switched to large screens for splicing display, and audio and corresponding video are output synchronously. In order to make it more simple and intuitive when operating the splicing processor, the product is designed with infrared remote control, and chassis button control, and can be controlled by RS-232. The user can perform one-click quick control and full function control on the splicer through buttons or remote control so that the operation is more humanized and simpler.