Featuring a host of authentic Korg synth capabilities, the Korg Monotron Duo is a handheld dual oscillator synthesizer made for creating dynamic tones with convenience. The compact size of the Duo comes equipped with a responsive ribbon keyboard and five control dials to adjust the two onboard analog oscillators. With an auxiliary input and 1/4” headphone jack, the Monotron Duo is a handheld synthesizer ready for a challenge of any size.