Made for your iPhone 4 or 5, the Volta Sound Block ($190), is a passive speaker amplifier with some rustic flare. The block is made from Northwest alder and is available in four different types of stain. The horn is an actual bison horn, cut and polished to bring out its beauty. The Volta Sound Block is completely handcrafted in Oregon using natural resources and painstaking attention to detail. The piece would be just at home in the outdoors, your log cabin or sitting on your desk in the office. Check out this [video_lightbox_vimeo5 video_id=60531359 width=640 height=480 anchor=video] to see the block in action.