How to Build Your Own Bluetooth Speaker for Under $20


Building your own Bluetooth speaker can be a fun and rewarding project. With just a few inexpensive parts, you can make a speaker that sounds great and works wirelessly with your smartphone, tablet or laptop. In this guide, I'll walk you through the entire process step-by-step.

What You'll Need

To build a Bluetooth speaker for under $20, you'll need just a few basic components:

That's it! With just these few parts, you can build a speaker to be proud of. Now let's get started with the steps.

Step 1: Assemble the Amplifier Board

The amplifier board is the central component that will receive the audio signal over Bluetooth and amplify it to drive the speaker.

Test the amp board with a battery to make sure the connections are good before moving to the next steps.

Step 2: Mount the Speaker Driver

Now we need to securely install the speaker driver into the enclosure we've selected.

Step 3: Add Battery and Controls

To make your Bluetooth speaker wireless and portable, we need to install a rechargeable battery and basic controls.

Step 4: Connect Bluetooth

Now for the final step - making your speaker wireless with Bluetooth!

Once Bluetooth is operational, your DIY wireless speaker is complete! Bring your music to life anywhere with this budget-friendly project.

Customizing Your Build

Here are some ideas if you want to take your speaker to the next level:

So grab your tools and parts, and let's get building! Constructing your own Bluetooth speaker is an enjoyable way to learn useful maker skills. Whether you're looking to save money or just want a customizable audio gadget, this project won't disappoint. The end result will be a wireless speaker you can use and showoff for years to come.