This is the Volta Sound Block, it’s a passive sound amplifier for the iPhone made from a solid block of Northwest Alder wood and an American Bison horn.
The iPhone dock is lined with Pendleton Wool and the Bison horn is held in place with a series of surprisingly powerful neodymium magnets, the Sound Block is supplied with its own carry bag, making it the perfect accompaniment for those summer camping trips.
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Silodrome was founded by Ben back in 2010, in the years since the site has grown to become a world leader in the alternative and vintage motoring sector, with well over a million monthly readers from around the world and many hundreds of thousands of followers on social media.