The Phonofone III is an elegantly designed passive amplifier crafted from ceramic and designed explicitly for iPhone. This clever device amplifies the volume emitted from an iPhone internal speaker roughly 4x (approx. 60 decibels). Buy it here.

Tweet about this on TwitterShare on FacebookPin on PinterestShare on Google+Share on StumbleUponShare on TumblrShare on RedditDigg thisShare on LinkedInEmail this to someone