Good product almost ruined by port labels.
I've just spent the last hour trying to get this to work which I have now successfully done.
Initially, after wiring it up all I got were various errors on my TV about no cable being connected, or no signal being received, or it switching to strange source inputs on the TV. It looked like it didn't work at all. However, I had noticed when I plugged in a cable to what was labelled "Input 1" source light "4" came on. The same applied to other inputs in that different source lights came on to what the inputs were labelled.
I then worked out that my particular box had been labelled in reverse and the actual "Output" was labelled "Input 3" (if you notice on the product picture "Output" is in the middle on the bottom, mine is labelled in the middle at the top - the picture is right!). So almost ruined by the fact it was upside down when they printed on the numbers.
Having taken this into account and using "Input 3" as the output, and knowing all the input number labels were mixed up, the box appears to be working fine now. So far picture quality looks good, sounds good, remote control works and auto-switching is working for my products that support it.
Anyway, so far recommended, it now seems a good piece of kit for the price (just bare in mind the labelling if you should get one that doesn't behave).