This system gives your acoustic piano’s keyboard access to MIDI (Musical Instrument Digital Interface), opening a world of advanced technology to your piano. The MIDI Controller Retrofit System will turn virtually any acoustic piano into a MIDI Controller. With this system you can use your acoustic piano’s keyboard to record music to a computer, send keyboard and pedal data to a digital piano, external sound module, sequencer or other MIDI device. The MIDI Controller system supports soft pedal, sostenuto pedal and sustain pedal functions. The MIDI Controller Retrofit System includes a power supply, 10 ft. long 5 pin MIDI cable, MIDI strip, 3 pedal switches and a MIDI board with cover.