Product Description: 4K Video Wall Controller - 3x3 Display, 16 Splicing Modes, 180° Rotation, EU Plug 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 blocks. This setup creates a large, dynamic 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 viewing experience further by connecting external speakers or sound devices. 16 Splicing Modes: Choose from 16 flexible split screen modes, including 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: This plug-and-play video wall controller splitter offers strong compatibility with most HD Multimedia Interface devices. It is compatible with LCD TVs, projectors, DLP, PDP, and more, making it a versatile choice for any setup. Enhance your visual presentations with this powerful and versatile 4K Video Wall Controller, designed to deliver exceptional image quality and flexible display options for any environment.