The Keeley Magnetic Echo (Mag Echo) guitar effects pedal is a high-quality effect specifically designed for creating magnetic echoes. It comes complete with a power supply, making it easy to use and setup for guitarists looking to add some unique and innovative sounds to their music. With the Keeley brand known for producing reliable and top-notch effects pedals, the Mag Echo is sure to deliver impressive results for any guitarist looking to explore new sonic possibilities.