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Taking its audiophonic cue from the giant brass horn your crotchety grandfather greasily crams down his cochlea when his nurses attempt to shout pleasantries at him, the Bone Horn Stand (http://www.cyberguys.com/product-details/?productid=48638&core_cross=SEARCH#page=page-1) is an unpowered amplifier that slips over your iPhone’s bottom half and channels the sound of your speakers up through the trumpet shaped gramophone tube at top, amping up the output by another 12 decibels. It even works as a stand. Only $25!
Bone Collection-Horn Stand (eng.) (http://www.youtube.com/watch?v=lJzMP89CFjg#ws)