Here's a National RP-3920E Radar Microphone from the 1980's! This unique microphone is really an electret condenser microphone, but has a unique sound due to its large "cone". The cone allows for a highly directional sound with great character, making it a unique option for a room microphone, effects, etc. This one has an unbalanced 1/4" output and runs on a AA battery. It also comes with its original case, base, clip, and cone. If you've been looking for a unique eye catcher for your studio, this is the microphone for you. Grab this RP-3920E Radar Microphone from National out of Japan!