Saramonic SR-GMX1 Lavalier Clip-on Microphone for GoPro Camera

QUICK OVERVIEW

Specifications:
Polar Pattern: Omnidirectional
Frequency Range: 30Hz ~ 18kHz
Output Impedance: 2.2k Ohm Typical
Signal to Noise Ratio: 74 dB
Sensitivity: -30 dB +/-3dB / 0dB = 1V/Pa, 1kHz
Maximum Output: 120 mV
Dynamic Range: 120 dB typical
Cable length: 1.8m
Weight: 23g (0.81 oz)