Selling for $400 apiece, you’d be surprised how good they sound. Check out the video below:
Locke’s “Analog Tele-Phonographer” speakers are made from old trumpets and various machine parts. They don’t use any electricity, of course, relying on the instrument to magnify the sound from an iPod or iPhone’s built-in speakers.
They look good and they sound great:
Here’s another one with a “mute” button.
See also the $25 Bone Horn Stand, a smaller plastic version of the same idea that looks like a mini gramophone.