Specifications: Audio Monitor Range: 10-150㎡(adjustable) Audio Transmission Distance: 3000m Frequency Response: 100Hz~20KHz(90dB sound pressure,A weighting) Sensitivity: -35dB (10.0 mV e 1V at 1 Pa) SNR: 85dB(1m40dB) 80dB(10m40dB) 1KHz at 1Pa Directional Property: Omnidirectional Dynamic Range: 104dB (1KHz at Max dB SPL) Microphone: KaBoni advanced complementary enhance digital capacitor microphone Microphone Quantity: 1pcs Signal Processing Circuit: AGC ,Triangulation , DSP ＆Multistage dynamic noise reduction processing Protective Circuit: Lightning protection, power supply polarity reverse connect protection, ESD protection Connection Way: 3 leading wires(red lead is power+, white lead is audio signal+, black is power-&audio signal-) Transmission Cable: Telephone wire,Network twisted pair, shield cable(pls use shield cable in complex electromagnetic environment) Supply Voltage : DC9V~20V (recommend to use 12V, more than 500 meters recommended 15 v) Working Current: 30mA Working Environment: -20℃~75℃ Color: White Housing Material: Advanced resin PVC + double metal net mask Approvals: CE,ROHS, FCC, ISO9001 Tips： 1.The size is manually measured, there is a difference of 1-3mm, please understand. 2. Product and picture will have a few color differences. 3. If you have any questions, please contact us and we will do our best to you. Package List: 1*Audio Pickup Device 1*User Manual (English)
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