DETAILS:

TRI Comtac - III tactical C3 pickup noise cancelling headphones PRC152 dual channel 3 generation circuit
product details

Note: the dual channel C3 respectively about the play, a single channel input, only the corresponding left or right headphones sound

In a noisy environment, the external environment for noise reduction processing, from the radio voice still clearly visible, not at the same time reduce the sound together.

TRI COMTAC III and original PELTOR COMTAC III contrast, argue a pickup noise reduction and so on various performance effect is almost the same, not big difference!

Noise control way to upgrade:
C3 way of noise reduction is not like C2 shielding type sound sort of, forcibly C2 everyone is used to test the big screen thepalm of your hand will be temporary shielding no voice, while C3 will happen to the shielding effect of the volume, it is beyond the volume of the set instantly fall, in order to achieve both can protect the hearing and to restore the actual source of sound.

When in continuous shooting, for example, in the C2 headphones is blocked almost sounds like the deaf can hardly hear you sound, and C3 is different so you will be shooting sound can be heard all the noise and the external environment, is a powerful shooting the volume is automatically cut to you adjust the volume, so that both can hear the sound and does not harm the hearing.

C3 response and recovery speed is quick, don't only use photographed thepalm of your hand to test the noise reduction function, it doesn't like C1 noise reduction temporary shielding don't have a voice, because it is really reduce the noise and not to block

You can simply use two pieces of sheet metal were apparent flap forcibly found sharp noise became very small, but the sound quality is still can be heard clearly. Then the gentle sound of friction two pieces of metal plate be amplified clear hear again!
In order to pick up useful sound ~ ~ ~ ~ ~ ~ down harmful noise
Argue a more simple around you with the hand to touch the pickup of microphones sponge is to clearly identify the location of the stereo effect !