On March 17th I bought the Audio Switch Converter on Amazon – Order# 106-0670851-7001027 – and this week the left channel on the headset jack has stopped working. I don’t unplug or plug anything into the jack – I plugged the headphones in the first day I set it up. I simply switch between speakers and headphones during the day and evening. I have since checked to make sure it wasn’t a problem with the headphones and it isn’t. They work fine elsewhere and a new set of headphones has the same problem with the Audio Switch Converter. I have only had it a few short months, so this is rather aggravating.