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Performance
Pickup Range 1 square meter–150 square meters (10.76 sq.ft–1614.59 sq.ft)
Audio Transmission Distance 3000 m (9842.52 ft)
Frequency Response 20 Hz–20 kHz
Sensitivity -38 dB
SNR 85 dB (1 m 40 dB audio source SPL) 52 dB(10 m 40 dB audio source SPL)1 kHz at 1 Pa
Pointing Features Omni-directional
Gain Adjustment 0 VPP–4.6 VPP adjustable (75 dB sound pressure 1 kHz)
Dynamic Range 106 dB (1 kHz at Max dB SPL)
Distortion ≤0.3% (74 dB sound pressure, A weighted)
Max. Sound Pressure 120 dB SPL (1 kHz,THD 1%)
Output Resistance 25 Ω non-balanced
Output Signal Amplitude 2.5 VPP/-25 dB
Microphone High-fidelity micro electromechanical system (MEMS) silicon microphone
Signal Processing Digital NR, reverberation, human voice enhancement, screaming control

Protection
Protection 8kV Air,6kV contact ESD lightening protection, power polarity misconnection protection

Electrical
Drive Capability Built-in preamplifier circuit
Connection Mode 3 lead wire: (power, audio, public GRD)
Transmission Cable 3-Pin mm² RVVP shielded cable
Power Supply 12V DC (9V-18V)
Power Consumption 0.72W (60mA)

Environmental
Operating Temperature -20 °C to +60 °C (-4 °F to +140 °F)
Operating Humidity ≤95%RH
Storage Temperature 0°C to +40°C (+32°F to +104°F)
Storage Humidity ≤95%RH

Construction
Color Metal Silver
Casing Aluminum alloy
Dimensions Φ70 mm × 21 mm (Φ2.76 ” × 0.83 “)
Net Weight 0.11 kg (0.24 lb)
Gross Weight 0.16 kg (0.35 lb)