Two sensors Heavy Duty Throat Headset Mic with PTT Ear bud for Midland radio GXT756 GXT757 GXT775 GXT720 GXT740 GXT785 GXT760

Features:


--Two sensors design to make the quality of sound more true and clear

--The high quality transparent tube is not easy to be detected

--extended 3.5mm earphone jack inlcuded,

-- Hear your HAM friends clearly even in noisy environment as your voice is transmitted via vibration of your throat

-- Heavy duty PTT

-- The elastic Velcro strap that suits head sizes from 12 to 25 inches. You can adjust the size freely.



Specifications:

Speaker:

-Sensitivity: 120 +/- 3dB &1kHZ
-Transducer: moving coil dynamic speaker Impedance: 32ω +/- 15% &1kHZ
-Resonance freq (FO) 400HZ +/- 20%
-Rated input power: 200mW Maximum input power: 500mW


Microphone:

-Sensitivity: -37.5+/-2dB &1kHZ 2.2Kω 3V 0dB=1v/pa
-Impedance: Max. 2.20kω &1kHZ
-Directivity: Omni-directional Frequency: 100Hz - 16000Hz
-Max operation voltage: 10V
-Standard operation voltage: 3V;
-Current consumption: Max. 0.5mA;
-S/N ratio: Min. -56dB &1.1kHZ

Working with below Midland portable radios:

XT18,XT20, XT511 XT511MO

GXT300 GXT325 GXT400 GXT444 GXT450 GXT500 GXT550 GXT555 GXT565 GXT600 GXT635 GXT650 GXT656

GXT661 GXT700 GXT710 GXT720 GXT735 GXT750 GXT771 GXT756 GXT757 GXT775 GXT720 GXT740 GXT785 GXT760 GXT795

GXT800 GXT808 GXT850 GXT881 GXT900 GXT950 GXT1000 GXT1050 LXT80 LXT110,LXT112 ,LXT114, LXT210 LXT216 LXT276

LXT310 LXT300 LXT303 LXT305 LXT315 LXT320 LXT330 LXT350 LXT335 LXT376 LXT318 LXT319 LXT322 LXT323

LXT324 LXT340 LXT345 LXT360 LXT365 LXT380 LXT385 LXT410 LXT420 LXT435 LXT440 LXT460 LXT480 LXT490


Alan Midland G6 / G7 / G8 / G12 M24 / M48 / M99 / 445 Sport / 445 BT ALAN 421 /441 / 443 / 451 / 456R MIDLAND Ocean and MIDLAND Atlantic / Alan 42

Midland 75-501, 75-510, 75-785, 75-786, 75-810, 75-820, 72-822, 445BT, 70-440BP, 75-501, 75-785, 75-810, 80-125, 80-150, 80-400, 80-425,

Alan 39, Alan 507, Alan 607, Alan 643, Alan 654, Alan 95 Plus, Atlantic-i, CT-22, G12

Nautico 1, Nautico 3,Ocean, Pacific, SP-410, SP-420, SP-430, SP-440