The Gamechanger Audio Plus pedal is a versatile sustain pedal designed for a variety of guitar types including acoustic, electric, and classical guitars. Used in studio only. No original box or power supply. Takes standard 9volt plug in power. Its analog capabilities make it suitable for musicians looking to add a unique and dynamic sound to their performances. With its durable construction and high-quality craftsmanship, this pedal is sure to enhance any guitarist's playing experience.