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As classy as all get-out, Gramovox's Bluetooth gramophone takes its inspiration from Magnavox's 1920s-era R3 Horn Speaker.
There are no cords or batteries here. ReAcoustic uses nothing more than a wooden base and an old gramophone horn or trumpet bell to amplify sound from your iPhone or iPad.
A bicycle mount brings your iPhone into the gramophone age to passively boosts your two-wheel listening experience.
An art project modifies a set of headphones for the unusual purpose of redirecting sound around a person's head.
Researchers develop a clever way to levitate and move objects in the air using the power of sound.
Embrace the analog with a 3D-printed set of phone trumpets to make your HTC One really stand out from the crowd.
Christopher Locke, an art teacher by day and eccentric artist by night, creates some of the most unusual iPhone and iPad docks ever to grace the pages of Crave.
If the Little Mermaid had an iPhone, she would use a Shellphone to amplify the volume.
Go super-duper retro with the MegaPhone iPhone amplifier. There are no batteries or cords, just a big ceramic horn to boost your iPhone's sound.