Stimulated rotary speaker provides the distinctive acoustic effect of drawbar organ speaker. Features 61-keys with super sensitive touch response. Built-in melodies create original effects by adjusting the parameters of the DSP. Made with high quality durable material which ensures longevity. Support unlimited musical expression and creativity world-renowned brand stands for quality. Letting you play along with an eclectic range of onboard songs and create full-band performances. Scale tune and scale memory features provide support for oriental ethnic styles convenient mic input for sing-along performing without having to carry extra gear.