Audio Projects Sorted By Winners

Studio GoBo
Droid Head Blaster
Embroidered Fabric Speaker
KeySampler
Back Woofer
eissa
Audio mixer
Kickin' Kiosk, Mp3 Jukebox
Eardrum Saver
DIY IEMs (w/ hollow shells)
Pseudo In-ear monitors
Change Arduino Font Color
Droid Head Blaster
Boomcase Mimic
Passive amplifier for iPhone
Book Sound System
Algorithmic noise machine
Tone generating circuits
PHATTY WAGON
DIY In Ear Monitors
simple playful stompbox