The Moog Minitaur is a monophonic analogue bass synthesizer module with 2 voltage controlled oscillators, midi I/O, cv/gate inputs. The Minitaur is limited to playing the lower octaves of the keyboard...which is what you want for a bass synth. Rugged steel case, knob per function, 100 internal memories. Based on Moog Tauraus tecnhology....... the Minitaur is a bass masters delight. Made in USA.