I've just solved my own problem: http://www.ehmac.ca/cgi_bin/ultimatebb.cgi/showthread.php?t=23017 Looks like I need a mic or adapter that provides line level input. I must have been mistaken with the first headset actually working at first, and been using my internal mic. On Feb 8, 2005, at 9:49 AM, Justin R. Miller wrote: > Hi list, > > I have recently bought a microphone headset so that I can voice chat > more easily. Initially, the microphone was working fine with > iChat/Skype when I selected Line In as the input source and had the > headset hooked up (I have a Titanium with a Line In port). For some > reason, though, input has stopped working. I tested the Line In port > with another device (a Bop-It, if you can believe it) and it worked > fine. So I chalked it up to the headset breaking within a week and > bought another to be sure. This one does not get any input either. I > can get a normal input from the built-in mic in the left speaker, but > nothing from Line In with either headset. I've checked that the mic > mute button is off and that the input level is reasonable (I've tried > the full range). Do I have some corrupted preference or something? > Any ideas? These are nice Logitech headsets and I'm inclined to think > that OS X is behaving weirdly. > > -- > Justin R. Miller > incanus at codesorcery.net > > _______________________________________________ > Titanium mailing list > Titanium at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/titanium > > -- Justin R. Miller incanus at codesorcery.net