An HDMI Switch is a device that allows multiple HDMI sources, like gaming consoles, Blu-ray players, or streaming devices, to connect to a single HDMI input on a television or monitor. This is useful when you have limited HDMI ports on your display and want to easily switch between different devices without constantly plugging and unplugging cables. Typically, an HDMI Switch has several input ports and one output port. Users can select which source to display, often using a remote control or a button on the device. This makes it convenient to manage multiple devices while maintaining high-quality audio and video signals.