Delivers clear, sharp, directional sound with incredible ease of use. The StreaMMic Pro has been designed with a narrow pickup area located directly in front of the microphone. It reduces other ambient noises, ensuring that your subject is isolated from background sounds. Patented Vertigan design with sound-enhancing acoustic chamber. No complicated switches or settings, powered through the camera's external microphone input. The compact and lightweight StreaMMic Pro provides clear, sharp, and directional audio signals and is incredibly easy to use. Its narrow pickup area focuses directly in front of the microphone, minimizing other ambient noises so that your subject is isolated from distracting background sounds. Made from a single piece of solid aluminum. The StreaMMic Pro has no complicated switches or settings and is powered through your camera's external microphone input, requiring no batteries. Capsule: 14 mm. Polar pattern: Supercardioid. Frequency range: 80 Hz - 16 kHz. Maximum sound pressure level: 118 dBSPL. Sensitivity: -36.0 dB re 1 Volt/Pascal (17.80 mV @ 96 dB SPL). Equivalent noise level (A-weighted): 35 dBA.