Foam windbreak.Suitable for AKG CK31/32/33 microphone capsulesMatching Products AKG CK31Microphone capsule with cardioid characteristic and 125° pickup angle. For speakers where the angle of incidence varies greatly. AKG CK33Microphone capsule with hypercardioid characteristic and 95° pickup angle. The directionality allows a large speaking distance to the microphone.