Phonofone III
The Phonofone III is an elegantly designed passive amplifier crafted from ceramic and designed explicitly for iPhone. This clever device amplifies the volume emited from an iPhone internal speaker roughly 4x (approx. 60 decibels).
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2 Responses to “Phonofone III”
said on December 2nd, 2010 at 5:21 pm
Phonofone III http://www.youtube.com/watch?v=COLdpTx7uZw
said on December 14th, 2010 at 11:03 am
The Phonofone III is such an elegant way of amping up your iPhone – and no power supply needed.