The open box I bought from Sweetwater didn't include the power supply but I do have this stashed away in my parts bin at home http://www.musiciansfriend.com/accessories/dunlop-ecb-003-ac-adapter.
It's 9V DC @ 200mA 5% regulated. 2.1mm x 5.5mm + Barrel negative center. It seems like this should match up ok with the Fly Rig. It should be ok right?
I use mine with a OneSpot all the time, yesterday in fact. So yes it should.