Uni directional microphone, electret condenser cardioid super, equipped with standard XLR connector, integrated switcher can choose tele or normal function, sensitivity 66dB short distance, long-distance 50dB sensitivity, frequency response 80-13Khz, 120dB maximum input, battery alimnentare 1.5 V (AA) or AA battery dimensions 360mm long x 21mm diameter, weight 175 grams. FEATURES: Norman ripping sound modes and Tele (Thu away, in the direction of 45 degrees) Sensitivity: 10 to 15mV short / Pa, 60 to 0 mV / Pa Fluctuating audio frequency: 40 to 16,500Hz -Output Impedance: 1K short distance / long distance 2.3k -Use the battery: DC 1.5V AA battery, for sound amplification of the microphone Receiving audio signal amplification: ≥ 40db Noise ratio :> 0.1% 42cm long shaft Microphone Noise filtering function (Noise Reduction) of extremely efficient micro, help focus the signal recorded on the speakers.