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Picture of Really simple audio switch (2 inputs, 1 output)
This is a project developed during our "Taller de Inventos" (AKA August Build Night), sponsored by Instructables and Jameco, that provided some of the components for this instructable.

It's a case that holds an audio input and two outputs, enabling you to choose the audio source for your amplifier or speakers.

Here's a video of the switch

It’s a really simple and nifty hack that we wanted to share :)


x1 DPDT Toggle Switch on-on 2 way
x3 3.5mm jack PCB stereo
x6 Cables (5cm each)
A box or container for your switch
Glue (of a powerful kind ;) )

Soldering iron
“Helping Hand” holder for soldering [Optional]
Dremel or regular drill

This part is up to your imagination. We used a small wooden box that we had lying around.

Step 1: Find a case for your audio switch

The first step of this instructable is finding a small box for repurposing as the audio switch.

Some suggestions are:
- Altoids box
- Small wooden box for jewelry
- A cassette tape box
- A metal cigarette case
MattM3921 year ago
Hi. I’m following your switch diagram but since I have a “mono” set up, can you provide a diagram for making a 2 input 1 output mono setup? I’m confused as to how to wire it . Thanks!

Using the same components? You just have to remove the green OR the red wires in the schematic.

jblob22 made it!3 years ago
Made it! For mine tho, instead of going to an output, it goes into another switch to control 2 outputs!
mengstrom15 years ago

Just made one! Thanks for the instructable. I used an on/off/on switch so I've got an off too!

wazzabi (author)  mengstrom13 years ago

Good idea :)

salgh11648 made it!3 years ago

It was a fun build! This was my first time doing this and from what i can tell, it came out perfect!!

wazzabi (author)  salgh116483 years ago