A Bluetooth speaker made from a .50 caliber ammunition box
- 50W per channel
- Integrated Bluetooth 4.0 receiver
- Battery powered (8+ hours playback time)
- Auxiliary input
- USB charging ports
- LCD volume and battery readout (Arduino powered)
- 3D printed grills
- Custom front-panel icons/text
- Power adapter storage
- Fully enclosed design (water tight when lid closed)