Posted by Robert Nobis - N7RJN on Apr 10, 2016; 5:18pm URL: http://elecraft.85.s1.nabble.com/What-s-best-Soundcard-Interface-for-KX3-tp7616157p7616160.html
For portable operations with my KX3, I use the SignaLink USB, mainly because of its small size. There are better performing sound cards, but for compactness and ease of use the SignaLink works for me when I travel.