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Low Fi High Tech Headphones

by Jckarich, published

Low Fi High Tech Headphones by Jckarich Mar 30, 2013
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The Low Fi Hi Tech headphones is a research Project to find out a way to create a fully functional pair of audio headphones without any manufactured part, this means all the parts of this headset are raw materials, such as wire, tape, solder, magnets and of course 3D printed parts.
The most challenging part was to make the right combination of 3D printed elements such as the speaker piece, the ear part had to be a good acoustic case and should to include a holder for the magnet, the speaker itself is a very thin printed part with a very thin rail to be able to insert the copper wire in it.
Once I got that part working, I decided to go further, drawing the plug to fit a standard Jack connector, this was a very tricky part because the model of this was a very thin part to print and creating the connections only with wire was a real challenge. Again it worked! And even if many people would hesitate to plug this weird looking but familiar plug, I can assure you it works with no risks on jamming inside your portable audio device.

Anyway, the sound quality is very nice against all expectations but will necessitate a power amplifier to be louder when using only portable sources like pods or phones.

The files are open to anyone who want’s to try to make a pair of these!

Special thanks to Martin De Bie, Hannah Perner Wilson, Jean Baptiste Labrune whose work inspired me a lot in this particular Project.

my website and email for additional info:
[email protected]


Material list:

3D printed parts:

  • 2 ear parts
  • 2 speaker parts
  • 1 headband
  • 2 extension bands


  • Copper wire
  • Solder
  • Magnets 10x5mm round
  • Ribbon from fabrickit
  • steel or nickel metalic wire


  • Insulation or krapton tape

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Can you help us with the wiring of this beautiful project. After applying the wire into the part i get two ends of the wire that goes to where? to the plug?

I am printing it right now on a modified prusa mendel I2 the headband is turning out pretty good. Seems as though Slic3r had created infill in mid air in the extension holders. But I will finish printing it and upload some pics. I like this design and Might just modify it a bit.

great! please post the results! thanks!

Anyone got this working? Looks too cool!!! I'm going to try at 100 micron layers, high res!

Hi, I did try to print a version on my reprap but it was a little bit sketchy. My other printer (cupcake) is to old to do this kind of detail so the picture you can see here are from a print a did trough shapeways. I guess with a replicator it could be done with some external support.

How did you connect left and right speakers?

I think the adapter has a common ground, and a left and right. If you look at the plug picture, you can see all 3.

Yes, but I see the cable coming out one speaker only. The other speaker seems not to be connected.

Well spotted, it seems he only has one ear plugged in :P
However, if you were to put some notches in the design of the headband, a wire could follow them around to the other side.

Of course, but why do I have to suppose when I just can ask? :)

if you can connect one you can connect two right ?

I mean electrical connection.

thats a good question actually