This 5x1 is small, it’s simple, and it gets the job done by switching five HDMI 3D inputs to one output. Use it in a bedroom or den where your HDMI sources are limited by the number of inputs on the TV. It’s small, it’s simple, and it gets the job done by switching five HDMI 3D inputs to one output. Use it for switching between multiple sources when your display only has one HDMI input, like a monitor or a projector.