4 ms·You have Grados, that puts you in the top 1%.by chrisbolt 16y agoYou have Grados, that puts you in the top 1%.jonah 16y agoI can clearly tell the difference between most 128kbps MP3s and CDs on my stock (bose, ugh) car stereo.vukk 16y agoiTunes sells AAC, not MP3, as far as I know. My _opinion_ is that 128kbps AAC is about the same quality as MP3@V2.jonah 16y agoI don't buy music from iTunes because AAC isn't compatible with all my devices. It is true as you say that other CODECs are "better" than MP3.