LED Video Controllers for Screen Setup and ReplacementFind LED video controllers, sending boxes, processors, and all-in-one control systems for rental LED walls, fixed installations, poster screens, and repair projects. Before ordering, confirm total resolution, input source, output ports, receiving card system, and configuration file availability.LED video wall controller buying guideLED sending card replacement guideNovastar MSD300 and CMS130 setup guideFAQHow do I choose an LED video controller? Start with screen resolution, input source, output loading, cabinet layout, and receiving card compatibility.Do I need a sending card or all-in-one controller? A sending card is used when processing is handled elsewhere; an all-in-one controller includes input, scaling, and sending functions.