Source: http://the-gadgeteer.com/2011/02/07/old-school-amplification-for-your-iphone/
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Thursday, February 10, 2011
Old-School Amplification for Your iPhone
The Bone Collection Portable Amplifier for iPhone looks like those amplifier horns on antique record players.� It’s made of silicone, and it adds 13 dB of sound pressure to the iPhone’s speaker output without using any power.� In addition to amplifying sound, it also acts as a stand to prop the iPhone in a horizontal [...]
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