AKG 551 can be found for much cheaper price than 550. So I'm wondering sonically, is there a difference? I'm not concerned about the difference in plug and cable. Just sound.
I've read a few threads around the net and couldn't get a clear answer. I'm assuming that the headphones should be identical other than the added microphone.
Usage: In public with phone most likely.
Edited by SSandDigital - 6/10/14 at 11:09am