When I was producing with my Lexicon Omega audio interface, the end results of my mix were loud, crisp and clear, and ever since I purchased an apollo twin, my tracks have been lacking a good sound and are no where near as loud as before. I don't think I'm doing anything differently, but my question is, can an audio interface have anything to do with the end mix not sounding good? I'm really confused and don't know what to do after spending 900 dollars on this interface.