7″ (17.78cm)

Self-contained backpack using 4 AAA bateries or a 9V DC adapter

1W X 2; 150Hz-180kHz

Speakerboxxx is a combination of a KidRobot Munny and a hacked iPod dock. Although usually seen with his Shuffle, his backpack amplifier bumps with just about any device.
Hoodie Template

Make your own munny hoodie by
following my easy to use template,
available for free download here.

See Process

See the step-by-step of how speakerboxxx
was constructed over at deviantart.com