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Published on Mar 25, 2011
How to make an iPhone, iPod, and mp3 amplifier! The design is simple and cheap. You only need a soldering iron, a few capacitors, an LM386 audio amplifier chip, and a few other parts. The video explains the build process and gives the schematic for the amplifier.
The amplifier is battery powered, and is therefore portable. It can be housed in any small container. I used the box of my iPhone. Get creative!