Used PZM Microphone 33-1090B

The Realistic PZM 33-1080B is a vintage Pressure Zone Microphone (PZM) boundary microphone, originally sold by RadioShack under the Realistic brand name, that uses a small electret condenser to capture sound. It is designed to be placed on a flat surface, like a table or a stage, and is known for its use in live sound, recording, and test and measurement applications. The microphone can be powered by a single double-A battery, features a switch for on/off, and uses a 1/4-inch TRS connection.