Replacement DPDT Mini Pushbutton Switch for the following Gallien Kruger models and Gallien Kruger part number 090-0012-0.
400RB-II, 400RB-III, 400RB-IV, 700RB-II, 1001RB-II
MicroBass Series, Backline 110, Backline 112, Backline 115, Backline 210, and Backline 350 G-K amps.