Brandon, As you've probably have read from the replies to your inquiry, it's definitely not recommended. I use a small line mixer that I got for around 60 bucks, and everything works great. The mixer has a headphone jack on it, and I've got plenty of outputs that I can feed everything to my amp. Hope this helps. Mike ----- Original Message ----- From: Brandon Keith To: ddots-l@xxxxxxxxxxxxx Sent: Thursday, December 02, 2010 21:46 Subject: [ddots-l] using Jaws on same sound-card as Sonar? Hello, If I switched jaws' output to my external sound-card along with Sonar, would I run into any problems? Right now I'm wearing two sets of headphones and it's not very comfortable, so I'd like to just use one. Thanks, Brandon Keith Check out MySpace: http://www.myspace.com/brandonkeithcom Also add me on facebook! brandonkeith