Korbanth / Parks K4
Knight Chassis - All.In.One
Read here: http://goth-3designs.com/instructions/diy-parks-k4/
Holds a 18650 battery, soundboard (NB, Prizm 5.1 or I2/Spark2), 20mm bass speaker and 2.1mm recharge port. 30awg wires are mandatory.
Integrated Crystal Chamber, you can use the Master Chassis optional 3D printed Crystal in this chamber.