The external power supply costs more than 200 € ...

UTILIZATION

Button feedback button interacts with the gain

SOUND QUALITY

Really high-end playing in the big league!
I understand why the U.S. forums are also enthusiastic.
The pickups sound good but how good the pickups are transcended.
It's hot (not falsely with low-medium inflated like some units), defined, this ..
Excellent live (DI) on bass. Button 'thick' thickened the (extreme) bass. It works superbly well.

OVERALL OPINION

Hard to be disappointed with this class of materials.