Korg ESX2-RDWe say: The ES X2 is a synthesizer based production machine that turns inspiration into sound at maximum speed. It contains numerous analogue oscillators and a wide variety of filters. Whether you're selecting sounds or editing them, all operations are performed simply by using the top panel knobs. In addition, a variety of input interfaces optimised for inputting rhythm, bass, or melody allow you to smoothly create sequences as fast as you can think.