An MX HDMI cable that supports 4K resolution is designed to transmit high-definition audio and video signals from one device to another while maintaining high quality. These cables typically feature advanced technology to support higher bandwidths, enabling them to handle 4K content at various refresh rates and color depths, ensuring a more immersive viewing experience. When purchasing an MX HDMI cable, it’s important to check for features like high-speed capabilities, compatibility with HDR (High Dynamic Range), and adequate length for your specific setup.