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Walkie Talkie earphone
Product serial number
TWR-195-112M
Product description
microphone :
sensitivity: -34dB+/-2dB
impedance : 2.2KOHM
frequency range : 100-12KHz
operating voltage : 1.0-10V
speaker :
sensitivity : 115B+/-10%
impedance : 150ohm+/-15%
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