The Roland Mobile Cube is a versatile portable amp that can handle guitars, keyboards, vocals and music players, but we'll get to the rest of these applications later. Once we found out that this puppy had a center cancel switch on it, we knew that meant one thing -- get the edge on our competition in the karaoke state championship.

Aside from removing vocals from a track on your iPod, you can also apply some effects to your voice like reverb and delay. Despite what you see in this video, however, you can not add a star wipe with only the portably cubular Mobile Cube.