Audio-Technica Stereo Condenser Microphone AT9911 Black, Tested ● High-quality, compact stereo microphone compatible with digital recording devices. ● Newly developed pivot floating structure reduces external vibration noise from the device. ● Free-angle mechanism allows for flexible adjustment of the angle in the desired direction. ● Robust, stylish metal body that reduces external noise. ● Windscreen effectively reduces noise from wind, etc. Stereo Back Electret Condenser Polar Pattern: Uni-directional x 2 (Stereo) Frequency Response: 100～17,000Hz Sensitivity: -40dB (0dB=1V/1Pa,1kHz) Impedance: 1.5kΩ Power Supply: Plug-in power system