How to make a mini portable speaker

In today's video I'd like to show you how to make a portable speaker for a cell-phone. In general, nowadays you can easily purchase portable speakers for a cell-phone as the price is low and the supply is big. However, it's far more interesting to make it by yourself.
How To Make a Mini Simple Audio Amplifier https://youtu.be/H7rpCHgnEds

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Welcome to my channel Roman UrsuHack where you will learn how to make hand made crafts, New Year crafts, presents, toys, Halloween scares. The main thing is that one can make it at home and with one's own hands.
You are interested in handiwork, craft or you just have nothing to do, haven't you? You have found the channel you really need. Here you can find lots of crafts, hand made items, and the main thing is that they all made of make-shifts and at the lowest cost!

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video link : http://www.dailymotion.com/video/x3yz3m3