Reply to No sound?... S2

So.. I just installed all my software and hooked up my S2. I'm trying to use two KRK Rokit 6 monitors with the controller. I can control my traktor software with my device and everything on screen functions and corelates with my controller... but I'm getting no sound through the controller.. what am i probably doing wrong? ANy ideas? PLeaseee helpp!!! :eek:

thanks