World’s cheapest speaker!

https://www.youtube.com/watch?v=WTWe3OcD7u4

What do you need to make the simplest form of a speaker? Surprisingly, you probably already have everything you need! Click on the “Parts list” tab to see what you need to make both bone conducting headphones and your own speaker! Then, if you still want more, click on the “Further Learning” tab to learn more about the history of speakers!

 


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Here’s what you will need for these projects:

 

 

Bone Conducting Headphones

  • Small DC Motor
  • An old pair of headphones

Cheap Speaker

  • A Paperclip
  • A business card
  • A strong magnet
  • An old pair of headphones

Learn more about the history of speakers!

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