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How to make a very loud portable speaker for your phone


[media = https: //www.youtube.com/watch? v = 68hN3IBZdPg]

Today we are making a portable mini speaker with VERY decent sound. Minimum tools and spare parts. The cost of manufacturing this column was only 185 rubles! Happy viewing!
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Mistaken happens. Thanks for the constructive.
The author gave the wrong name of the chip on which the amplifier is made.

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