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  • Noise cancelling earbone mic headset work under helmet
  • Noise cancelling earbone mic headset work under helmet

Noise cancelling earbone mic headset work under helmet

No.PTE-500
Earbone mic headset with big round PTT for fireman department
  • Noise cancelling earbone mic headset work under helmet
Description
Speaker Specification
Type Transducer Moving coil dynamic speaker
Impedance 32Ω±15% @1KHZ
Sensitivity 110dB±3%/1mW on a Coupler
Frequency respond 100Hz~4.5KHz
Rated input power 1mW
Maximum input power 300mW

Microphone Specification
Type Pickup MIC
Sensitivity Range -38 ± 3dB RL=2.2K Ω Vs=3.0V(DC) 1KHz 0dB=1V/Pa B16
Impedance Max 2.2KΩ 1kHz (RL=2.2KΩ)
Frequency 300-5KHz
Current Consumption Max 0.5uA RL=2.2KΩ Vs=3.0V(DC)
Max Sound pressure Level 115dB S.P.L  THD<10% at 1K Hz