Sennheiser MD 46 Cardioid Dynamic Interview MicrophoneThe Sennheiser MD 46 Cardioid Dynamic Interview Microphone is ideal for rough use in live reporting and broadcasting environments. It is especially tuned for interview situations, and has a special design to avoid wind and handling noise related problems. Omni microphones tend to pick up everything equally, including background noise. The MD 46 cardioid interview mic focuses on the subject, increasing clarity while reducing background noise. Designed