Simple Helmet Speaker System

I created a more detailed wiring diagram that has the port names.

Edit: I got one of the connections Wrong
 
Last edited:
So I know this thread is about 3 years old but I am hoping someone who knows more than me will see this and help. I am trying to build this setup for my master chief helmet and followed the instructions exactly but am only getting a buzzing from the speaker. I set up the whole rig to test before putting it in the helmet and have changed out every part one by one to try to eliminate any bad parts. I adjusted the gain on the microphone amp and volume on the sound amp. I assume the microphone amp also serves as the microphone but I am not that familiar with this level of electronics so that was just an assumption. The only other thing I can think of to troubleshoot is to just soder everything up incase its a bad connection point.

Here is a list of components in case I messed that up.

and I added these to make wiring easier on my second pass.

Thanks to anyone who happens to help.
 
So I know this thread is about 3 years old but I am hoping someone who knows more than me will see this and help. I am trying to build this setup for my master chief helmet and followed the instructions exactly but am only getting a buzzing from the speaker. I set up the whole rig to test before putting it in the helmet and have changed out every part one by one to try to eliminate any bad parts. I adjusted the gain on the microphone amp and volume on the sound amp. I assume the microphone amp also serves as the microphone but I am not that familiar with this level of electronics so that was just an assumption. The only other thing I can think of to troubleshoot is to just soder everything up incase its a bad connection point.

Here is a list of components in case I messed that up.

and I added these to make wiring easier on my second pass.

Thanks to anyone who happens to help.
Most parts looks spot on. The only thing I have different than you was a 28mm Speaker like this one: 2W 28mm Bass Speaker

It's is nice if you get it to work.

However, if you are going to use at conventions I would instead use this: Amazon.com

It is louder and easier to hear from the person you are speaking to.
 
Most parts looks spot on. The only thing I have different than you was a 28mm Speaker like this one: 2W 28mm Bass Speaker

It's is nice if you get it to work.

However, if you are going to use at conventions I would instead use this: Amazon.com

It is louder and easier to hear from the person you are speaking to.
If you buy the wireless style of the one moe posted above you can also mount the mic semi-permanently in your helmet
 
I tried to build this exact system, and cannot for the life of me remove the feedback from the mic + speaker. No matter where I put the mic in the helmet I'd get it. I had to lower the volume so much on both the mic gain and the amplifier pot that you can't even hear it.

Might have to do the external speaker instead.
 
I've never done any electronics before. Can someone name the correct type of wire for this setup?
This would be more than enough 22AWG wire: Amazon.com

but if you've never done electronics before, you'll find better results using something like this: Wireless voice amplifier

Just bury the mike inside the helmet and place the speaker behind your chestplate or something.
 
This would be more than enough 22AWG wire: Amazon.com

but if you've never done electronics before, you'll find better results using something like this: Wireless voice amplifier

Just bury the mike inside the helmet and place the speaker behind your chestplate or something.
This is exactly what I am doing.

I'm new enough to electrical work that I don't know how to do much of anything complex, but I did add enhanced audio, a wireless speaker system and fans to my helmet. Each part is separate from one another and all soldering that was done was just to get the parts like speakers and microphones in good spots in the helmet. Really easy to do if you are just changing wire lengths and not stepping voltage up and down depending on what part needs what.
 
Hey, awesome work, I don't understand very well all of this (not my first language), this system allows us to also hear what other people say to us? Or it's just to them to be able to hear us?
 
Hey, awesome work, I don't understand very well all of this (not my first language), this system allows us to also hear what other people say to us? Or it's just to them to be able to hear us?
You, as the user of the system, allow you to talk out out of the helmet. It doesn't pick up sounds like a microphone.
 
Hello all! Just a quick tutorial to make a speaker system for your helmet. Nothing fancy/no programming.

Things you will need:
3 AAA Battery Holder
One 4.7M ohm 1/4watt resistor
One Microphone Amplifier
One Sound Amplifier
One Speaker
wire and solder supplies

Step 1: Wire up the speaker. Pretty simple, only 2 wires. Nothing to it.
View attachment 284989

Step 2: wire up the microphone amplifier. 1 wire is for 5v, 1 ground, and one is out. Out get's the 4.7M Resistor.

View attachment 284990

Step 3, wire up the rest. Please feel free to use my super awesome diagram below:

View attachment 284991
Yellow is data, black and green are ground, Red is power, and lavender is the positive from the speaker.

Here is a wiring Diagram from MissBoof to help:

View attachment 329235


Step 4 Fit it into your helmet:
Please note that both the mic amplifier and speaker amplifier have adjustment knobs. I find that the mic adjustment was fine while the speaker knob (the one in the picture below) needs tweaking.

View attachment 285003

I would get a feedback because the speaker was too close to the mic so I had to adjust until it was fine.

View attachment 285006

And finally, my result.

Fantastic tutorial, I'm excited to use it in my next helmet build! Thanks for posting!!
 
Hello all! Just a quick tutorial to make a speaker system for your helmet. Nothing fancy/no programming.

Things you will need:
3 AAA Battery Holder
One 4.7M ohm 1/4watt resistor
One Microphone Amplifier
One Sound Amplifier
One Speaker
wire and solder supplies

Step 1: Wire up the speaker. Pretty simple, only 2 wires. Nothing to it.
View attachment 284989

Step 2: wire up the microphone amplifier. 1 wire is for 5v, 1 ground, and one is out. Out get's the 4.7M Resistor.

View attachment 284990

Step 3, wire up the rest. Please feel free to use my super awesome diagram below:

View attachment 284991
Yellow is data, black and green are ground, Red is power, and lavender is the positive from the speaker.

Here is a wiring Diagram from MissBoof to help:

View attachment 329235


Step 4 Fit it into your helmet:
Please note that both the mic amplifier and speaker amplifier have adjustment knobs. I find that the mic adjustment was fine while the speaker knob (the one in the picture below) needs tweaking.

View attachment 285003

I would get a feedback because the speaker was too close to the mic so I had to adjust until it was fine.

View attachment 285006

And finally, my result.

Ooh cant wait to put this in my helmets now, thank you!
 
Hey, awesome work, I don't understand very well all of this (not my first language), this system allows us to also hear what other people say to us? Or it's just to them to be able to hear us?
This system allows other people to hear you.
For a system that will allow you to hear other people, check out this tutorial:
 

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