Yamaha MU15

Yamaha MU15 is a MIDI sound module designed for use with computers and other MIDI devices. It is a rack-mountable device that contains a variety of sounds and effects. It has been used by many professional musicians, producers, and composers.

The MU15 works by receiving MIDI data from a computer or other MIDI device and then playing back the sound associated with the data. It has a variety of features, including a 16-voice polyphony, a variety of effects, and a built-in sequencer. It also has a USB port for connecting to a computer, allowing users to access additional sounds and effects.