Check the listing for details. Minimal Drone (Handmade Synthesizer, Rucci Electronics). Condition: New. Listed at 85.00 USD. This is a minimal drone synthesizer capable of dense sounds. Two oscillators modulate each other while a third selectable LFO adds more interesting rhythmic drones. There is also a low pass filter and volume. A CV input allows you to power the device with control voltages from 0-5V for interesting automated power sag results.The case is extremely tough die-cast aluminum painted black. The CV input is 1/8", and the mono 1/4" audio output makes it easy to connect to amps, effects or recording equipment. It is powered by an included 9-volt battery or 9V center-negative DC adapter. This was designed and hand-built in Oakland, California.Please watch this youtube demo...https://www.youtube.com/watch?v=TNajsCXnmNkHere is a video of the Minimal Drone paired with a CV Sequencer...https://www.youtube.com/watch?v=OMHQbfshdQU