DIY Bluetooth speaker projects are always a staple here at Hackady. In our latest feature of DIY audio builds, we have [Patrick’s] vinyl cylindrical speaker. He found a pretty inexpensive Bluetooth ...

The 100% DIY Build Subwoofer Passive Crossover Low Pass Filter project is one of the brilliant art of engineering that is build based on electronic fundamentals. It features a butterworth type filter ...

I'm designing and building a subwoofer with the Adire Audio PR-15 15" passive radiator. I've already built one, designing it using Unibox, but the results were not what the software predicted.