Frequency response: 60Hz - 18 kHzPolar pattern: cardiodImpedance: 600 Ohm balancedOutput level: -52.9dBEnd fire generating element: 1-1/8" diameter dynamicPolarity: Pin 2+Magnet structure: Neodymium, iron, and boronCase structure: SteelChrome finishIncludes:Aluminum carrying case