AKG C7 WL1 Reference Condenser Vocal Microphone HeadThe C7 WL1 Condenser Vocal Mic Head for DMS800 & WMS4500 Handheld Transmitters from AKG is a microphone capsule equipped with a supercardioid polar pattern. It is designed to handle high sound pressure levels and used to capture audio when paired with a wireless handheld transmitter and receiver (sold separately). With natural clarity Microphone Capsule Electret Condenser Diaphragm 3 4" 19. 05 mm Polar Pattern Supercardioid Performance Frequency Range