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Picture of Domo Mini Speaker ^.^ (Card-Singing Speakers put to usefulness)
Ever wanted a cheap mini speaker? A small speaker that you could bring around with you? Maybe like a mini-cube around 3" speaker? Well my friends and I wanted just that. We wanted to create a speaker for ourselves that was small enough to carry around. After all we love music and with this mini speaker we can enjoy our music anywhere. Also with a speaker we do not have to plug our ears all day long and have those sound waves hit directly in our ears and decreasing our hearing.

Step 1: First Things First: Gather your materials

Picture of First Things First: Gather your materials
solder.jpg
Materials that are needed:
- Electrical Tape
- Speakers (taken out from singing cards)
- Thicker wires (recommended but optional)
- Earphones or Headphones (preferably not broken ones, especially if you are making two speakers)
- Paper to create the box

Tools:
- Scissors
- Wire-cutter/ Wire-stripper (A scissor or razor would do as well)
- Solder (needed if using alternate wiring) or Lighter
 
zzebrowski1 year ago
Thanks, worked for me. :-)
mdog933 years ago
This will never be very loud- only the volume of headphones which when not in close proximity to your ear isn't very loud. This is because the signal is not amplified.

You can quite easily and cheaply make a simple amplification circuit if you wanted to and add this between the cable and the speaker.

The lm386n-1 chip is a good way to go with this- just search that into instructables and there's loads of amps out there, mainly guitar amps but if you set the gain low, they will work just fine as mp3 speakers.