Used AKG Pro Audio CK31 High-Performance Cardioid Condenser Microphone Capsule Rugged Design - Fits DAM Series.

Cardioid polar pattern, eliminates noise from the rear
125 degree pickup angle, for inexperienced or very vivacious speakers
Highly reliable capsule contacts, prevent contact problems and ensure extra-long life
Highly efficient two-in-one windscreen, reduces wind and pop noise equally
Wide frequency range for a speech-optimized audio performance