Akai MPK249 USB Midi Keyboard ControllerLowest octave: in the 2nd octave the Bb does not sound for all of several key strokes. The 3rd octave the E and G is inconsistent if struck several times it will sound on only some actions; and the note sustains after release as if the key had been held down. 3rd Octave A does not sound on every key stroke. A Akai MPK249 USB Midi Keyboard Controller in Good condition! At Evolution Music, we attempt to highlight cosmetic defects (if any) by picturing