Product Description: 3x3 4K HD Multimedia Interface Video Wall Controller with 180° Rotation and 16 Splicing Modes Immersive 9 Display: Transform your visual presentations with our 3x3 HD Multimedia Interface video wall controller. It features 1 HD Multimedia Interface input and 9 HD Multimedia Interface outputs, allowing you to split full HD image signals into 9 distinct blocks. This setup creates a large, cohesive image screen composed of 9 HD video display units, perfect for impactful visual displays. Clear 4K Resolution: Experience stunning visual effects with support for 4K at 30Hz input, delivering a resolution of 3840 x 2160 at 30Hz. Enjoy vibrant colors, lifelike details, and premium sound immersion through the stereo sound port on the video wall processor. Enhance your audio experience by connecting external speakers or sound devices for a complete sensory experience. 16 Splicing Modes: Choose from 16 flexible split screen modes to suit your display needs. Options include 1x1, 1x2, 1x3, 1x4, 2x1, 2x2, 2x3, 2x4, 3x1, 3x2, 3x3, 4x1, 4x2 for single machine support, and 3x4, 4x3, 4x4 for dual machine (2 machines cascaded) support. Easily switch between modes using the remote control or device buttons to tailor your displays for various applications. Outstanding Viewing Experience: Designed with 180-degree rotation and edge masking, this controller maximizes screen space, reduces border width, and minimizes image distortion. Rotate inverted TV images to display correctly on screens, ensuring a seamless viewing experience. For optimal viewing angles, we recommend using frameless displays. Easy Installation and Operating: Enjoy hassle-free setup with our plug-and-play video wall controller splitter. It offers strong compatibility with most HD Multimedia Interface devices, including LCD TVs, projectors, DLP, and PDP. This makes it an ideal choice for a wide range of display environments, from corporate presentations to dynamic advertising displays. Elevate your visual presentations with this versatile and powerful video wall controller, designed to deliver exceptional image quality and flexible display options.