Sound Formats: The 2x2 HD Multimedia Interface Video Wall Controller supports PCM 2.0 sound format, ensuring clear audio output. Please note that it does not support Dolby Digital or DTS formats. For sound output, external speakers or soundbars are required, as audio does not pass through the monitor or external sound systems. Supported Resolutions: This video wall processor is compatible with HD Multimedia Interface 1.4 and HDCP 1.4, offering a wide range of input video resolutions including 1920x1080P at 25, 30, 50, and 60Hz, as well as 3840x2160P at 25 and 30Hz. The output resolution is consistently 1920x1080P at 25, 30, 50, and 60Hz, ensuring high-quality display across all connected screens. 180 Degree Screen Rotation: Enhance your viewing experience with the 180-degree screen rotation feature. This function allows you to flip the image of HD Multimedia Interface outputs 1 and 2, optimizing the screen orientation to align with the thinnest edge and minimizing the appearance of thick borders in the middle. Edge Mask Function: The video processor includes an edge mask function that corrects and aligns borders and image edges, creating a seamless and comfortable viewing experience across multiple screens. It supports 8 display modes, including 2x2, 1x1, 1x2, 1x3, 1x4, 2x1, 3x1, and 4x1, offering diverse display options to suit your needs. Easy to Operate: Designed for simplicity, this HD Multimedia Interface video splicer is plug and play, requiring no driver installation. It supports one HD Multimedia Interface or DVI input and provides four HD Multimedia Interface output signals, allowing you to connect up to four LCD TVs or other display devices such as projectors, DLP, and plasma units effortlessly. Constructed from durable aluminium alloy, this video wall controller is built to last and operates efficiently within a voltage range of 100‑240V, making it a reliable choice for both professional and personal use. Transform your display setup with ease and enjoy a superior visual experience.