On 28 Feb 2007, at 8:14 AM, Mark Des Cotes wrote: > Someone I'm helping out received a set of Logitech internet > headphones as a gift (I believe it's the Internet Chat model). > They're not USB, they have one cord with a double end, one for the > speakers and one for the mike. I tried to get it to work on her G5 > iMac but we cannot get the mike to work. I hate that. Apple skimped on this. That jack is not for a mic. It's for line-in. You have to put a pre-amp on the mic. As someone suggested, Griffin's iMic is the most popular. Peter