This is a demonstration of some of the sounds and features of the DAED Feedback Synthesizer.

via legionhwp:

It is not a song but rather a walk through of this little simple noise box with a powerful array of sounds. Handheld buzzes, drones, chirps, rumbles galore.These are now available for sale on a very limited basis. Please visit Helpwantedproductions.com/Salez/FS.htm for this and other synths and circuit bent electronic instruments and effects.