As a life-time educator I am always trying to find ways of having meaningful connections with my students. My iPhone + my weird cardboard speakers get used before class. Anyone can hook up their device to my speakers to play"their" music until class starts. If no one uses their machine then my iPhone collection of tunes gets used, This surprisingly simple action garners a lot of credibility in the classroom. Also my recyclable cardboard speakers have an edgy quality that helps.

Hi Ken, This sounds cool. Is
Hi Ken, This sounds cool. Is it something I could make at home? Do you have any photos or links to design plans?
Cardboard Speakers
Here is a link to the discontinued cardboard speakers:
http://www.parts-express.com/pe/showdetl.cfm?Partnumber=300-958