3 ms·I can clearly tell the difference between most 128kbps MP3s and CDs on my stock (bose, ugh) car stereo.by 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.