Yes the concept is that you use your modeler to drive the amp.
It's an 18 watt amp but very loud, everybody thinks it has greater wattage at first.
The amp has (if you have the right tones in your modeler of course) so sweet 'round' tones.
more here
http://www.vettaville.nl/vvatomic.htm
4 pages with pics, systeminfo and review