Hello everyone, I’m new here. Sorry for my English, I’m from South America. I need help to solve a very specific audio system. The system needs to solve 3 issues for a duo of djs who wear helmets. The issue number 1 is they need to communicate between them and with an external guy. The issue number 2 is that they have to hear the audio from the controller. The issue number 3 is that they have to hear the ambience. How can I put those 3 inputs in the in ear? How to make it the simplest as possible? Sorry if this is not the right forum, greetings to everyone

 

Purchase a simple 4-Channel Beringer Mixer.
https://www.behringer.com/catalog.h...temsPerPage=15&pageNumber=1&sort=salesRevenue

The "External-Guy" will also need a Mixer.

Trying to communicate with another person in
an extremely noisy environment is extremely difficult.
This requires a Noise-Cancelling "Boom-Mic" very close to the mouth.
This also requires Microphone Compression/Clipping/EQ to enable
the Voice-Communication to "cut-through" all the NOISE.

I suggest trying something similar to this Guitar-Pedal on both Noise-Cancelling-Microphones .......
https://www.behringer.com/product.html?modelCode=P0605

Professional, 'Stand-Alone", "Person to Person" Wireless-Communication-Systems are available,
but they are extremely expensive, and they will probably not work well with other systems.

If You would provide ALL of the details about how You would like this system to work
it may be possible to provide better suggestions.
.
.
.

 

Purchase a simple 4-Channel Beringer Mixer.
https://www.behringer.com/catalog.h...temsPerPage=15&pageNumber=1&sort=salesRevenue

The "External-Guy" will also need a Mixer.

Trying to communicate with another person in
an extremely noisy environment is extremely difficult.
This requires a Noise-Cancelling "Boom-Mic" very close to the mouth.
This also requires Microphone Compression/Clipping/EQ to enable
the Voice-Communication to "cut-through" all the NOISE.

I suggest trying something similar to this Guitar-Pedal on both Noise-Cancelling-Microphones .......
https://www.behringer.com/product.html?modelCode=P0605

Professional, 'Stand-Alone", "Person to Person" Wireless-Communication-Systems are available,
but they are extremely expensive, and they will probably not work well with other systems.

If You would provide ALL of the details about how You would like this system to work
it may be possible to provide better suggestions.
.
.
.

There’s a way where I can show you the circuit?

 

Go to "Attach-Files" at the bottom of the Page.
Most Picture-Formats are accepted, ( PNG, JPG, etc )
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.
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This problem has been solved in a variety of environments (motorcycles, construction zones etc), and with all the modern tech available these days radio communication to a self-contained headset is usually the answer.

As one example: https://www.sensear.com/products/headsets/smart-group

 

REally, a single amplifier feeding the earphone portion of headsets for each of the three, with independent attenuators so each can set their listening level. Then each can have a push-to-talk microphone feeding a separate input so that each can adjust their microphone sensitivity. Each one talking will hear themselves and the others will also hear them. It works well, did it for some other 40 years ago.

 

The mixer will need one more channel with it's own microphone to provide hearing the ambience.. That certainly IS important.
The three microphones can be communications grade devices, while the ambience microphone will need better frequency response. The earphones will be what works inside helmets. The mixer can be fairly simple, the amplifier can be just a few watts.