Headphone Splitter

Table of Contents

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1 Introduction

  • Disclaimer: The project is intended for learning purposes only, do not use in your own devices.
  • You are going to make a headphone splitter inspired by and designed by A. Williams.

Wiring the input sockets

  • Below are pictures of how the input sockets are connected.
  • Ensure you are using stereo input sockets.
  • Ask your teacher to check if you are not sure.

headphone_splitter1.JPG headphone_splitter2.JPG

Building the housing

  • You will need to laser cut the parts.
  • The cutting sheet can be found on the open drive: Design Engineering/Extension tasks/Headphone splitter.
  • You will need to change the black engrave colour to custom blue.
  • Here are all the parts you will need once it is cut out.


  • The nuts on the end of the inout sockets need undoing and the end caps placed onto the and then the nuts need to be refitted.

headphone_splitter4.JPG headphone_splitter5.JPG

  • You need to place a little glue on the side caps and then glue the end pieces in place.

headphone_splitter6.JPG headphone_splitter7.JPG

  • Now the 2 sides need gluing in place.


  • The middle parts need adding and then follow the next few steps.

headphone_splitter9.JPG headphone_splitter10.JPG headphone_splitter11.JPG headphone_splitter12.JPG headphone_splitter13.JPG headphone_splitter14.JPG headphone_splitter15.JPG

  • You now need to push a M3 X 25mm screw through the splitter and tighten a nut on the other side.

headphone_splitter16.JPG headphone_splitter17.JPG headphone_splitter18.JPG headphone_splitter19.JPG

  • You final headphone splitter will look like this.

headphone_splitter20.JPG headphone_splitter21.JPG

  • You will need the 3.5mm stereo cables to connect your supposed devices.