The VM7814 is a 4K HDMI input card that works with an ATEN Modular Matrix Switch, providing an easy way to route 4 HDMI sources to 4 displays. In addition to the HDMI interface, which transmits digital A/V signals, the VM7814 features 4 stereo audio inputs that allow for stereo audio embedding. The ATEN VM input/output cards support hot-swappable installations, offering system integrators great flexibility and efficiency in maintenance. The ATEN VM input/output cards, along with the ATEN Modular Matrix Switches, provide ideal solutions perfectly tailored to your requirements for video-critical applications.