Korg A5 GUITAR is a performance signal processor that allows guitarists to create and use a range of sound effects by connecting a guitar to the device and then connecting the device to an amplifier and speakers. It has 30 effect programs stored in 6 banks with 5 programs in each bank. The A5 GUITAR allows for the use of several effects simultaneously, including compression, distortion, equalization, chorus, flanger, reverb, and delay.