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1.Low-noise processing chips |
2.Special explosion-proof metal |
3.Power polarity protection circuit |
4.DC+RCA |
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1.Area:20~120m² (adjustable) |
2.Audio transmission distance:100m |
3.Sensitivity:-46dB±3dB |
4.Impedance:600Ω |
5.Signal amplitude:0~6Vp-p |
6.Frequency range:100Hz~15KHz |
7.Power supply:DC6V~12V 20mA |
8.Wire length:380mm |
9.Dimension:39*31*18mm |