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Features:
| 1.Low-noise processing chips |
| 2.Special explosion-proof metal |
| 3.Power polarity protection circuit |
| 4.DC Plug+RCA +DC Jack |
Specifications:
| 1.Area:10~120m² (adjustable) |
| 2.Audio transmission distance: 1000m |
| 3.Sensitivity:-46dB |
| 4.Impedance:600Ω |
| 5.Signal amplitude: 0 ~ 6 Vp-p |
| 6.Power supply:DC6V~12V 20mA |
| 7.Dimension:39*31*18mm |
| 8.Wire length:400mm |