T.TRADIO big room audio surveillance microphone

Scatter-gun Style Microphone, Suit for meeting room ,classroom,Interrogation Chamber, railway carriage etc

Scatter-gun Style Microphone

Omni directional,Monitor range 10-120sq.m

Size: 105mmx50mmx50mm,weight 210g,Grey white case

Detail Introduction:

*Low noise, Low echo, clear speech, medium price.*120sq.m widely voice-picking region.*Dynamic de-noise disposal, built in DSP processor.*Special closed circle circuit design, eliminating electronic noise.*Excellent picking voice.*Volumn adjusting automatically (AGC), monitoring range reach 120 sq.m.*Echo-concelling appearance design, eliminating echo in big hall.*Restraining high intensity voice automatically, protecting rear devices.*Long-distance transmission, the maximum transmiting distance can reach 3km. shield    *Cable is required: 3 x 0.5mm2 RVVP cable, 4 core phone line, network twist line, etc.*Built-in over-loading protection and lightning proof circuit.*Pre-amplifier, directly drive DVR, VCR, headphone, loudspeaker etc.*Excellent voice experience, widely working temperature: -25~75°C*Widely used in: subway,train,Classroom, Army's department.*According with CE standard.

Parameter:

Monitoring Range                          10 ~ 120sq.mtransmiting distance(shield cable)   3kmFrequency Response                     20Hz ~ 20kHzSensitivity                                     -32dBSNR                                             85dB(1m/40dB)  

                                                    30dB(10m/40dB)1KHz at 1 PaPolar Pattern                                 Omni-directional   Dynamic Range                             104dB(1KHz at Max dB SPL)Maximum Level Input                      120dB SPL (1KHz,THD 1%)Impedance                                     600ohm (imbalance)Signal Output Extent                      2.5Vpp/-25dbMicrophone                                   Electret condenserSpecial Circuit                               DSP de-noise, AGC circuit

Protect Circuit                               Over-loading protection, Lightning proofAudio Preamp                                Build-inOutput connetor                             Power+, Audio and GND    

Cable                                            3 x 0.5mm2 RVVP cableVoltage                                         DC 12V (8 ~ 20V)        Current                                         20 mATemperature                                 -25°C ~ 70°CColor                                            WhiteShell's Material                              PVCSize                                             105mm×50mm×50mmWeight                                          210gStandard                                       CE

T.TRADIO big room audio surveillance microphone