You're going to laugh at this one, but my sister shared it and it works. Put your phone on speaker and place it in a large bowl. The sound will bounce off the sides of the bowl and create a speaker effect. Rudimentary, but it works. :)
We want to build a little girl’s castle for her birthday in June. She just loves Frozen Elsa. Could someone provide a pattern for such a castle? There are models of...
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https://www.hometalk.com/diy/decorate/rooms/phone-acoustic-speaker-30966871
http://hative.com/diy-iphone-speakers/
https://www.pinterest.com/mportela73/diy-phone-speaker/
Phone Acoustic Speaker
Good cheap and easy instructions for i phone speaker:
https://snapguide.com/guides/make-awesome-iphone-speakers/
You're going to laugh at this one, but my sister shared it and it works. Put your phone on speaker and place it in a large bowl. The sound will bounce off the sides of the bowl and create a speaker effect. Rudimentary, but it works. :)
here is one way: https://www.hometalk.com/diy/decorate/rooms/diy-iphone-holder-6184334
DIY IPhone Speaker