Topic: problem recording winamp with fireface 400

Hello i have problem while recording an audio file from winamp or a mix from traktor with cubase and digicheck. i can record properly the file but i have weird noise and saturation on the recorded sample... weird stuff is all seems ok in the fadders, no saturation. my mainly out are analog 1 and 2 and cubase doesn t recognise the sound when i want record it directly with f4 and add a bus with analog 1 and 2 in.... if someone can help please i need record dj set to play really sooon....
thx...
cheeers