KORG volca nubass synthesizer bass machine with Nutube vacuum tube circuitry, a 16-step sequencer, built-in speaker, and headphone compatibility.

Powerful sound from a vacuum tube oscillator. An acid bass machine that perfects undulation and distortion. A vacuum tube oscillator circuit that lets you fully experience the charm of Nutube. A transistor ladder-type low-pass filter that produces a unique sound. A 16-step sequencer with parameter automation. Connection terminals that allow synchronized play and external control.