hardware

Main board power requirement: 15 V / 2 Amps
Auxiliary line in jack
Bluetooth module, up to 30 feet range
WiFi Standards: 802.11.b/g/n, up to 100 feet range
Power amp: 3 or 20 Watts (Yamaha Chip YDA148)
Stereo speakers: 3 or 20 Watts 
Optional rechargeable lithium battery pack, up to 5 hours play

cabinet

Solid compressed wood with dark brown wood pattern can be covered with:

Carbon fiber or color vinyl stick on
Wood, metal, plastic panels 

Solid black speaker panel with 2 cutouts

BRiK  DIY Wireless Speakers are designed to be Affordable, Easy to build, Powerful, Customizable, and Fun.