Pickup range:70 sq.m, Audio transmission distance:3000m, Frequency response:20Hz～20KHz, SNR:60dB（1m40 dB audio tone SPL）40dB(10m 40 dB audio tone SPL)1KHz at 1 Pa, Dynamic Range:70dB(1KHz at Max dB SPL)
Pickup range 70 sq.m Audio transmission distance 3000m Sensitivity -34dB Frequency response 20Hz～20KHz Directivity characteristics Omnidirectional SNR 60dB（1m40 dB audio tone SPL）40dB(10m 40 dB audio tone SPL)1KHz at 1 Pa Dynamic Range 70dB(1KHz at Max dB SPL) Maximum sound pressure 100dB SPL（1KHz，THD 1%） Output impedance 600 ohm unbalanced Output signal amplitude 2.5Vpp/-25dB Microphones Capacitor microphone diaphragm The signal processing circuit ANC ambient noise cancellation technology Protective Circuit 30KV Air contact ESD, lightning protection, reverse polarity protection; Drive Capability Built-in pre-amplifier circuit can directly drive headphones; Connection Mode 3 wires (Power, Audio out, GND) Transmission Cable 3-core shielded cable 0.5mm² RVVP Supply Voltage DC 12V (9V-15V) Supply Current Max 25mA Working Temperature -25℃～70℃ Installation Mode Fixed Pedestal Mounting Color White/Blue Shell Material PVC External Size Φ78mm×28mm Weight 60g
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