If you found my things useful, you can buy me a cup of coffee: http://paypal.me/marcuss24
3D view: https://a360.co/3cZkVxu
You have to print twice these parts:
- Battery holder - cable holes.stl
- Passive Holder.stl
Screws:
- 8x M3x12mm Flat Head Screw (for front speaker holder)
- 8x M3x16mm Screw (for speakers)
- 2x M3x12 Screw (for battery)
- 8x M3x10mm Screw (for passive speaker holders)
- 4x M3x5mm Screw (for amplifier)
- 8x M3 Nut (for speakers)
Parts:
- 2x 2.5 Inch Speakers -
Aliexpress Link
- 2x Passive Speakers 85mm -
Aliexpress Link
- Bluetooth 3116 Amplifier (XY 502B) -
Aliexpress Link
- 3x 18650 battery -
Aliexpress Link
- 3S Battery protection board + 3S Battery balancer board (or protection board with balancer) -
Aliexpress Link
- 3S Battery LED Indicator board -
Aliexpress Link
- Connector DC099 5.5 mm x 2.1mm -
Aliexpress Link
- DC Jack Connector Cap
- 12mm 12v Self-locking switch -
Aliexpress Link
- 5x Tactile Switch Button 8x8x5mm -
Aliexpress Link
- piece of PCB 18x77mm (for buttons)
- wires
- hot glue
- glue or silicone (for air tight connection between passive speakers and printed main body)
- seal (place it between main body and front speaker holder)
- 2mm rubber tape (use as feet)
- speaker grill cloth (optional)
Tools:
- hot glue gun
- soldering station
- charger -
Aliexpress Link 
Marcus24
