Korg Kaossilator 2 Portable Synthesizer Review
 

This is the latest version of their Kaossilator line that has been decreasing in size with each iteration. The Kaossilator 2 is a portable sound generator that uses a touchpad for sound creation. Sliding horizontally over the touchpad will change the pitch over a range of octaves while vertical movement affects aspects of the tone such as filter cutoff, feedback, or modulation depth.

http://blog.testfreaks.com/review/re...e-synthesizer/