Originally Posted by pepelugil
Sorry I don't have your knowledge, but do you mean that there's some broken DAC inside my Zip that Sansa's original firmware doesn't use, and that Rockbox uses it and that's the reason why I have my sound problems?
I mean logically, just because you can find someway to make something work doesn't mean it isn't broken. If your player behaves differently then every other player, its got something wrong with it. Two identical working devices should work the same.