Griffin Technology introduced their AirCurve iPhone accessory today, which acoustically amplifies the iPhone’s preexisting speaker using no additional electronics. It utilizes a ‘coiled waveguide’ and is so amazing, according to Griffin, that you’ll ‘swear’ it’s a powered set of speakers. If you so choose, you can add a Griffin Dock cable and charge your iPhone while you listen.
Available soon for $20
Official page here