: | HDMI Splitter
: | 4 X 2 Matrix
: | 4 X 4 Router Switch
An HDMI matrix switcher gives the best in switching flexibility, for example a 4 x 2 matrix allows any of 4 HDMI inputs to be routed to any of the 2 outputs simultaneously, you could connect Sky HD, Blu Ray DVD, PC/Laptop and any other device and watch them on 2 displays, you could watch the same input on both displays or different signals on both, each HDMI ouput has its own selection switch.