How can I connect my VCI-400 EGE to APC-40?

How can I connect my VCI-400 EGE to APC-40?

Hi everyone. I really want to connect my VCI-400 EGE with Traktor with my APC-40 with Live. I saw the article on the main website for DJ Tech Tools, but I was wondering if I needed something like an Audio 2 or 6 to get it working. Thanks for your help. I have been looking around the internet but this is all that I have found:

Just plug the APC 40 into a spare USB socket