Searching for the best cheap HDMI switcher isn't ... option to use the device as a switch, a splitter, or a combination of the two. It also includes optical and 3.5mm audio out, making it a ...

it's presumably because you've heard of the concept of an HDMI splitter, but don't know exactly what it does. Or perhaps you've never heard of one and you're just curious. Either way, here's a ...