Audix FireBall V Dynamic Instrument Microphone with ChromaCast 18.5' Mic Cable and Musician's Gear Bag Dynamic harmonica microphone with conveniently placed volume control knob. Type: Dynamic , Polar Pattern: Cardioid , Frequency Response: 50Hz - 16Hz , Impedance: 280 ohms , Sensitivity: 1.5 mV/Pa at 1k Includes ChromaCast 18.5' Mic Cable and Musician's Gear Bag