Headphone hub

• DISCLAIMER: I DO ELECTRONICS AND 3D DESIGN SOLELY AS A HOBBY. THERE COULD BE ERRORS THAT CAN RESULT IN ALL KINDS OF DAMAGE. USE THESE DESIGNS AT YOUR OWN RISK.
• This design is released under Creative Commons Zero (CC0) license.
• Author:
  • Svjatoslav Agejenko
  • Homepage: https://svjatoslav.eu
  • Email: svjatoslav@svjatoslav.eu
• See also:
  • Other physical projects in this repository
  • Other projects hosted at svjatoslav.eu

Simple hub that allows connecting up to 4 devices via headphone jack. For example single laptop or mp3 player can power up to 3 headphones.

Schematic diagram:

Warning: All devices are connected in parallel. Make sure that audio producing device can handle combined load. See: https://en.wikipedia.org/wiki/Series_and_parallel_circuits#Resistance_units_2

Device consists of body and cover that are held together by single screw at the center:

• FreeCAD project

Body STL file

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Cover STL file