4-012S Ear vibration W/PTTfor IC-T7H IC-W32A IC-F3 IC-F3S

PRO Ear vibration w/cable control for IC-H2 JMX-102 VX200

 

Description 

This new Ear-Vibration 2-in-1 Speaker/Mic is designed for professional use. The performance of this new model is greatly improved comparing to the ordinary Ear-vibration 2-in-1 Speaker/Mic.

Apart from being a headphone, the earpiece also translates the vibration of your earbone into an electric signal and transmits it through your transceiver to another two-way radio. With this 2-in-1 speaker/mic, you can get rid of a separate microphone.

The mechanism works as follows:

Mechanical vibration from earbone => electric signal => transmitted to radio transceiver

Since the speaker/mic is hidden in your ear canal, it is not sensitive to any background noise. This is exceptionally ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles.

Without a separate microphone that could be easily detected by people around you, this is also ideal for surveillance purposes and security at airports, casinos, crowd control at conventions and concerts, and other working environment requiring discreet communications.

The sensitivity of the newly designed microphone is greatly improved to cover a much wider range of frequency. Graph 1 shows that an ordinary speaker/mic best performs in the range of 1400 to 1800Hz while the newly designed model shown in Graph 2 provides execellent performance in the range of 900 to 3900Hz. With a much more sensitive microphone, transmission becomes clearer and distortion is greatly reduced.

 

Specifications:

 

Length of cable: 119 cm / 3'11" from plug to earphone; 116 cm / 3'10" from plug to PTT;

A metal clip enables you to secure the mic/speaker on clothes;

Weight: 32 g

Technical data of Microphone:

Type: piezoelectric accelerometer;

Work voltage: 2.5-10V DC;

Impedance: 4.7K Ohm

Technical data of Speaker:

Power rating: Normal 20mW, Max 40 mW;

Resistance: 32 Ohm +/- 15% at 1KHz 60mW sine wave;

Sound pressure level: 107.3dB +/- 3dB at 1KHz 60mW with 142F coupler.

Fit model for handheld Radio :
ICOM	IC-T7H ,IC-W32A,IC-F3,IC- F3S,IC- F4, IC-F4S,IC- F4TR, IC-F10,   IC-H2,IC- H6,IC- J12, IC-M5, IC-U12, IC-U16, IC-4008, IC-4088A,
Motorola	..5500
Vertex	VX200-VX500- VX510-VX52OUD

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