Just received this module today and I must say it is an extreme value. 4x4 Buffered Matrix Mixer w/ Uni/Bi-polar switches per output channel for roughly $120 shipped from Netherlands to the US. A real treat. Still awaiting power consumption specs, something I totally forgot about while purchasing, so for now it's sitting on it's own in an otherwise empty niftycase until I'm certain I won't be pushing the specs of my main case.
However, I tested and played with it for about 30 minutes earlier today and it's tons of fun. Can't wait to really incorporate into my workflow.
Anybody have any unique tips/links for Matrix Mixer usage?