1, Transparent acoustic tube style surveillance earphone received
superior sound even in noisy environment, it's also discreet and
portable. 2, Changeable acoustic tube assembly for hygiene and
multiple users 3, Clip can secure to user's lapel to meet their
need 4, All units feature heavy grade industrial jacketed cables
and excellent strain relief for maximum life 5, Designed for
surveillance, security, public safety, etc 6, Compatiable for
Motorola, Kenood, HYT, Vertex, Icom...Two way radios Speaker
Specification TypeTransducer Moving coil dynamic
speakerImpedance90Ω±15% @1KHZSensitivity110±3dB @1KHZResonance
freq(F0) 400HZ±20%Frequency respondF0~5KHzRated input
power500mWMaximum input power800mWMicrophone Specification
Sensitivity Range-34 ± 2dB RL=2.2K ΩVs=3.0V(DC) 1KHz
0dB=1V/PaImpedance Max2.2KΩ 1kHz (RL=2.2KΩ)Frequency20-20KHzCurrent
Consumption Max0.5uA RL=2.2KΩ Vs=3.0V(DC)Operation Voltage
Range1.0V-10V (DC)Max Sound pressure Level115dB
S.P.L1.PACKAGE:Natural carton package or OEM service.
2.LEADTIME:Whithin one week for samples, order depand on the
quantity. 3.SHIPPING METHOD:DHL,EMS,UPS etc as you want 4.PAYMENT:
T/T, Western Union, paypal in small amount. Our prices DO NOT
include any customs duty or tax. Please be responsible for custom
tax if your local custom charge some custom tax. 5.RETURN and
WARRANTY: 100% QC inspection before shipment. Accept exchange
within 7 working days after you received. Pls contact us before you
return. All of our products have 1 year warranty. 6.MINIMUM ORDER:
Sample order and trial order are welcome. /* March 10, 2023
17:59:20 */!function(){function s(e,r){var
a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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