*******Parameter******* Monitoring Range                          15m

transmiting distance(shield cable)   3kmFrequency Response                     20Hz ~ 20kHzSensitivity                                     -39dBSNR                                            60dB(1m40dB) , 30dB(10m40dB)1KHz at1PaPolar Pattern                                45°wide directivityDynamic Range                            90dB(1KHz at Max dB SPL)Maximum Level Input                     120dB SPL (1KHz,THD 1%)

Impedance                                    600ohm (imbalance)Signal Output Extent                     2.5Vpp/-25dbMicrophone                                  complemented strengthen electret condenser mic(2pcs) Special Circuit                              DSP de-noise, AGC circuitProtect Circuit                              Over-loading protection, Lightning proofAudio Preamp                              Build-inAdapter                                  Build-in preamplifier circuit,no need adapterOutput connector                          Power+, Audio and Public GND    Cable                                           3 x 0.5mm2 RVVP cableVoltage                                        DC 12V (8 ~ 20V)        Current                                        32mATemperature                                 -25°C ~ 70°CColor                                           Grey whiteShell's Material                            alloySize                                            123mm × 50mm× 50mmWeight                                        345g

Standard                                      CE,FCC

W.TRADIO directional high-fidelity audio surveillance mic