The management at the C4D Cafe forum held a speaker rendering challenge recently, and some of the results are simply stunning. What you see here are pretty much the choice peeks, so check out the photo gallery for larger sized versions.
Graphene Speaker Surpasses Performance of Conventional Speaker
Re:Sound Bottle Concept
The Bambory Speakers are a set of speakers made from bamboo
These concept speakers will fit nicely on your bike handles