The Monotron Duo features two analogue oscillators with an individual tuning and the Edgy X-MOD circuit for great fun and vast musical exploration. It is made to go everywhere and with batteries, the ribbon controller keyboard is full of features that are simple to use and inviting to perform. The rich vibrato sounding of the Monotron Duo is extreme and metallic that resembles an FM synthesizer. The new scale future is a similar function from the Kaossilator and you can even select several scales to play perfect pitch and coherent phrases by sliding your fingers.