I have a pair of Audio Technica ATH-AC7, which work well, with one exception: They are apparently not EM shielded, so when using them with the phone (or anywhere near the phone, or anyone's phone) ...

I had a pair of Creative T20 speakers. Loved 'em. But one of the speakers went out. I opened 'em, saw no loose connections so I ditched them and got these JBL speakers. They sound okay but buzz ...