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Novastar VX4S Video Controller is a professional LED display controller. Besides the function of display control, it also features in powerful front-end processing, so an external scaler is no longer needed. With professional interfaces integrated, VX4S with excellent image quality and flexible image control greatly meet the needs of the broadcast industry, Its friendly in user-interface. so that the display to work has never been as easier and more enjoyable as with VX4S.