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Item ID: 1x 4-012
Item Name: PRO Ear vibration w/cable control (please choose type)
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Member Price: USD 17.80 * Shipping Cost Included
Currency: USD
Ships to: Worldwide




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.




  • 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
  • Techincal 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.


    Professional 2-in-1 Ear Vibration Speaker/Microphone in connection with a PTT switch and the plug to the two-way radio

    1x 4-012K PRO Ear vibration w/cable control for Kenwood (K plug) 19.50
    1x 4-012M PRO Ear vibration w/cable control for Motorola (M plug) 19.50
    1x 4-012MT PRO Ear vibration w/cable control for Motorola Talkabout (MT plug) 19.50
    1x 4-012S PRO Ear vibration w/cable control for Icom (S plug) 19.50
    1x 4-012SL PRO Ear vibration w/cable control for Icom (SL plug) 19.50
    1x 4-012Y PRO Ear vibration w/cable control for Yaesu (Y plug) 19.50
    1x 4-012Y7 PRO Ear vibration w/cable control for Yaesu (Y7 plug) 25.50


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