Technical Specifications Scope 10~70 m2 Sensitivity -34± 3 dB Frequency Response 80Hz～16kHz Directional Characteristic Omni-directional SNR (re 94dBSPL=1Pa@1kHz) 58dB Dynamic Range 74dB Max. Sustainable Sound Pressure 110dBSPL (1kHz, THD 1%) Output Impedance 600Ω (non-equilibrium) Output Signal Amplitude 2.5Vpp/88dBSPL Microphone Plated film capacitor microphone head Working Voltage DC 12V Working Current 40mA Working Temperature -30ºC~+70ºC(-22℉~+158℉) Material Aluminum Color Silver Dimension Φ40mm×20mm (Φ1.57”× 0.79”) Weight 48g (0.11lb) Certification CE/FCC