Reply to External audio interface for BCD3000.....

I have a BCD3000 and for the most part it has worked fine but when I did a rave event last evening my audio was poor. It sounded like bad house speakers in a trunk of a car. I was able to tweek the highs and lows and all on the Pioneer mixing board I was running into but it only improved a little bit.

If I used a m-audio interface would that make my sound better for club gigs? and if so how should my settings be in traktor 3 LE?