Sorry- should have been more clear. The Behringer Feedback Destroyer was designed for professional audio applications, in order to automatically destroy feedback. I've been working in Pro sound for about 10 years, and so usually see the BFD as something that comes more from that world (although...
Lol- the entire point of the BFD for the real world is automatic seeking of feedback frequecies and eqing them away. It not only has the ability to do "auto" moves- but that's half the point it was built. -V