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New Cheaper, Simpler Phonophone Amplifies Your iPhone Without Batteries

by LiveModern Webmaster last modified Jan 04, 2012 02:08 AM
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by last modified Dec 01, 2010

images credit Science + Sons Three years ago we showed the original Phonophone , which amplified your iPod without batteries. The science behind it was the same as those old record players with the big horn; Wikipedia explained that "Acoustic horns convert large pressure variations with a small displacement into a low pressure variation with a large displacement." But the original Phonophone was large and expensive at $875. Now the designers contradict their own motto, "To put a song in your heart, and a hole in your wallet", by introducing Phonophone III for only $195. ... Read the full story on TreeHugger




 

 


 

 

 
 
 

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