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  • Secret acoustic tube 2 wired spy earpiece for walkie talkie
  • Secret acoustic tube 2 wired spy earpiece for walkie talkie

Secret acoustic tube 2 wired spy earpiece for walkie talkie

No.PTE-850
Two wire acoustic tube style Beige color cable earphone for noise canceling environment
  • Secret acoustic tube 2 wired spy earpiece for walkie talkie

Description

Speaker Specification
Type Transducer Moving coil dynamic speaker
Impedance 200Ω±15% @1KHZ
Sensitivity 103dB±10%/0.6mW on a coupler
Resonance freq 4KHZ±20%
Frequency respond 10Hz~4KHz
Rated input power 0.6mW
Maximum input power 400mW

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 50-1600Hz
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