This touch drone synthesizer is capable of dense sounds with three selectable oscillators that modulate each other and a fourth that is controlled by touching your thumb and fingers to the five contact points. The touch controls are sensitive to the amount of contact made between points.
There is a volume control and global filter effect. It is powered by 9volt battery with LED indicator. A standard 1/4″ output makes it perfect to connect to amps, effects, or recording equipment.