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Put the ghetto back into the blaster with household items!
Many earbuds can play at high volume without distortion. Use them to drive paper cups, and the sound is surprisingly good. I first put this together when I really needed to listen to some jams at work. Put the ghetto back into the blaster!
Cut small Xs in the bottoms of 2 paper cups.
Carefully insert the earbuds into the Xs. They should fit snugly.
This project first appeared in MAKE Volume 19, page 139.
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