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  • One wire acoustic tube style surveillance kits earphone for police, security
  • One wire acoustic tube style surveillance kits earphone for police, security

One wire acoustic tube style surveillance kits earphone for police, security

No.PTE-800
Secret acoustic tube 2 wired spy earpiece for walkie talkie
  • One wire acoustic tube style surveillance kits earphone for police, security
Description
Speaker Specification
Type Transducer Moving coil dynamic speaker
Impedance 100Ω±15% @1KHZ
Sensitivity 105dB±3dB@1KHZ
Resonance freq 4KHZ±20%
Frequency respond 100Hz~4.5KHz
Rated input power 1mW
Maximum input power 10mW

Microphone Specification
Sensitivity Range -44 ± 2dB RL=2.2K Ω Vs=3.0V(DC) 1KHz 0dB=1V/Pa B16
Impedance Max 2.2KΩ 1kHz (RL=2.2KΩ)
Frequency 20-20KHz
Current Consumption Max 0.5uA RL=2.2KΩ Vs=3.0V(DC)
Operation Voltage Range 1.0V-10V (DC)
Max Sound pressure Level 115dB S.P.L  THD<2% at 1K