Plasma speaker
Very cool little plasma audio project – if the visual audio correlation here seems vague, check out Timetec’s frequency modulated prototype Plasma Speaker/Tweeter [via] Related: Tesla coil super mario duet Tesla guitar
speaker
Portable speaker in a CD case
This is a well documented, and a fairly simple, speaker project. I doubt this would sound good enough for your next party, but it might be good for the beach or on a boat. Learn how to make your own Portable speaker.
