Lowboy, Balazs, a couple of months I started a topic regarding the Meyers pick up. It is in the $125-$150 range and it works great with a volume control and gooseneck mic and suction cup. It worked good with my Hohner pro and 36 as well as my Vibrandoneon. Lots of volume. I also ran the pick up through my pedsl board and it Fantastic. The only contact pick up that workd for me was a very expensive one
This is the best contact pick up made but way to expensive for our use.
I tried others but got way to much body sounds including my hands just holding it. Read my post on the Meyers pick up and ask me any questions you may have .