Welcome to Pro-MIDI! We specialize in custom MIDI electronics for musicians. All of our instruments are assembled by hand using re-purposed materials. Our controllers are custom built exactly to the specification of the customer to the highest quality standards. We also perform modifications and upgrades to existing setups as well as basic electronics repair for synthesizers and keyboards. Please take a look around and let us know if you have an idea for a special MIDI controller or your dream mod!