Originally Posted by Blumie

I've been thrilled the the QC-2s. Maybe I'd feel differently if I had broken mine, but I routinely sleep with them, and then roll all over them in bed after I've fallen asleep and have yet to damage them. Also, I suspect the decision to permanently fix the cord into the housing for the AA version was simply to eliminate the risk of losing the cord. It's interesting that they're set to HI, though, because poor quality audio systems, such as on airlines, are precisely the time when you want to be able to switch them to LO to reduce the distortion.