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Acoustic Megaphone
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A portable megaphone to amplify your voice without electric power
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Model information
- Source
- Printables
- Category
- Audio
- License
- Creative Commons — Public Domain
This megaphone is pure acoustical, no external power is used. It is optimized for human speech, allowing you to be heard clearly. All parts print in place. Use cyanoacrylate glue to put the parts together.