D189 Supercardioid Dynamic Microphone Astatic has been in the microphone developing business for over 75 years. In the late 80's Astatic presented the first studio condensers to offer outstanding efficiency at very cheap price. Over the past few years, the astatic name has become symbolic of modern products, great value and outstanding sound reliability. Astatic remains a well known name for value and quality. Precisely circumnavigate an ultra-fine place of transferring around high-energy neodymium. The D 189 Super cardioid dynamic microphone adjusts the additional slot such that highest possible stage termination happens +/-125 levels off axis. Come before the main slot with a multistage, anti-turbulent fun time filter. Complete with non-reflective memory to ensure the entertainer continues to be in main focus. D189 Specifications Operating Principle: Moving coils dynamic Polar Pattern: Supercardioid Frequency Response: 40Hz to 18KHz Sensitivity: -54dBV (2.0mV) @ 1 Pa Impedance: 200 ohms