The Pedalboard 25 is a MIDI pedalboard, therefore you can use it with other brands MIDI instruments, but in this case you need the optional power supply adapter. Same feeling of the original tonewheel organs’ pedalboards. For gigging musicians. Expression pedal included. The power supply adapter it is not included, but if you play it with a Legend organ you don’t need it since the pedalboard is powered via midi cable.