Reply to Using Two Soundcards

Hello,

I am using Numark Omni Control with Traktor LE on a Macbook and I want to be able to use both the soundcard of my Macbook as well as the soundcard of the Omni Control. I want to be able to send the master out to the Macbook using its internal soundcard and to use the Omni Control soundcard to hear the cueing headphones. Traktor LE only lets me use one soundcard at a time.

I was reading about this, and apparently there is a way to make aggregate audio on the Macbook, but I am unable to do so, as the Omni Control soundcard does not appear in the list of audio devices. It should, because I am able to use it fine with Traktor LE, and it appears in the drop down menu of Traktor LE when choosing sound output, but I can't see it when I try to make an aggregate audio device.

Can anyone help me configure the sound so that I can send the masters out to the Macbook through its internal soundcard but be able to listen to the cueing headphones from the Omni Control soundcard?

Thanks!