The components used are
-- 2 x 40mm 3W speakers such as http://goo.gl/0C5fYP
-- USB Audio Dongle, this one http://goo.gl/0mIdO9
-- Micro audio amplifier, get it here http://goo.gl/eFmCvi
-- 3.5mm headphone jack
-- Dupoint wires
The power for micro audio amplifier is from the USB connector of audio dongle.
Print Settings:
- Supports: Yes
- Resolution: 0.2
- Infill: 10%
Requiring M2x4 screws to combine all parts