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Sony HDR-FX7 Camcorder External Microphone Vidpro XM-L Wired Lavalier microphone - 20' Audio

Vidpro XM-L Wired Lavalier microphone - 20 Audio Cable
Transducer type Electret Condenser
Output Connection 35mm 18 inch 4-Pole Mini-plug - Polar Pattern Omni-directional
Frequency Range 65Hz - 18KHz - SignalNoise 74dB SPL
Sensitivity -30dB - 3dB 0dB 1VPa 1kHz