Create a simple, powerless amplifier for your phone/mp3 player! Using a piece of wood, some copper pipes and a few tools we can tunnel through and create a "loud speaker" to amplify our music without the need for wires. The sound will travel through the holes and out of the horn at the top.

Music by: Everything Under (EU)
Check them out here: http://www.youtube.com/everythingundereu
Download on iTunes: http://bit.ly/gwzo8d .
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