Just bought myself an IR repeater gadget - the idea is that you can stash all your AV gear in a cupboard out of sight, and control it all via a single IR receiver stuck to the TV. I bought this model:
Now, my problem is that the cable on the receiver module (which I want stuck on the TV) is much too short for my application. So, I found a 6' headphone extension cable in my Useful Box, with identical 3.5mm plug/socket, and used that to extend the range of the receiver. But - it simply doesn't work at all using the extension cable.
I've checked the extension on a pair of headphones and it works fine. Also, there seem to be plenty of identical looking cables sold specifically for this extending IR receivers - eg
I'd happily buy the above cable (ie