Akai MPK 249 Performance Controller Keyboard
Akai MPK49 at a Glance. Tap Tempo and time-division buttons allow for real-time control of Note Repeat and Arpeggio clock speeds. MMC/MIDI Start Stop transport buttons. Akai mpk49 49-key usb midi keyboard synth controller final price 8 assignable backlit switches with 3 controller banks each.