AKG CM311-TA4F Reference Head-Worn Condenser MicrophoneGeneral Specifications Audio frequency bandwidth50 17000 Hz Equivalent noise level26 dB A Sensitivity1. 25 mV Pa Signal to Noise68 dB A Electrical impedance75 Ohms Polar PatternCardioid Audio Output TypeW TA4F GenderFemale Contacts3 pin Dimensions Length17. 76 mm Width13. 97 mm Height7. 62 mm Net Weight61 g Powering Interface Voltage18 to 48 V
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