AKG D 9000 High Performance Dynamic Microphone Response tailored for vocal and instrumental onstage performance High-output neodymium transducer with wide 80Hz-20kHz response Frequency-independent cardioid pattern for added immunity to feedback Low handling noise through use of AKGs Doubleflex anti-vibration isolation system High sensitivity (2.0 mV/Pa) resulting from use of high-energy neodymium-iron boron magnet Lightweight die-cast metal body with dark matte finish Spring steel dent-resistant windscreen The AKG D 9000 High Performance Dynamic Mic is designed for instrumental/vocal performance The wide frequency response is slightly boosted in the mid- and high-frequency ranges for a crisp instrumental sound and for better vocal intelligibility You get outstanding performance with the AKG Varimotion diaphragm technology in this mic and a frequency-independent cardioid pickup pattern that provides very effective feedback suppression Doubleflex shockmounted transducer system reduces handling noise