How to convert your old speakers to bluetooth

Electronics June 8, 2020

If you have a spare pair of small speakers and you want to make them wireless (bluetooth), check this guide.

The method is very simple and you only need 2 items, a bluetooth receiver/amplifier and an old USB cable. You can buy the bluetooth receiver I used for this guide here.

How to convert your old speakers to bluetooth 1

Open up your speakers/headphones and remove everything from inside, you won't need them. This board has everything you need to power up your speakers.

How to convert your old speakers to bluetooth 2
How to convert your old speakers to bluetooth 3

The board requires 5VDC, so cut your USB cable and solder the V+ and V- wires on the board. Check the polarity with a multimeter. Now solder a pair of wires for each speaker. Beware for the speakers polarity.

How to convert your old speakers to bluetooth 4

You are done. Connect the USB cable to your PC/Laptop/Power Bank and wait until you hear a chinese voice from the speakers. I don't know what is saying, but I believe its says that it has not connected to any source yet.

How to convert your old speakers to bluetooth 5

Now from your PC or smartphone, enable the bluetooth and search for "Hazy Audio" and connect to it. You will hear from your speakers something in Chinese, meaning that your speakers are now connected to the source.

How to convert your old speakers to bluetooth 6

You can use the volume bar of your source to increase or decrease the volume. Enjoy your new bluetooth speakers.

Gearloose

Welcome to my blog. My name is Akis Mparekas. I am a freelance web developer from Greece. At the same time I am taking my first steps in game development (unity) and animation (blender). I also create cool stuff, either for work or for fun. When I have time, I write tutorials and I blog.