The world of aftermarket in-car audio has changed massively over the last decade or so, but to its credit, Focal is doing its bit to keep things alive with its clever Plug & Play range of speaker kits ...

Subwoofers are a type of speaker that boost the lowest frequencies in whatever audio you're listening to. These low frequencies usually include bass guitars, pipe organs, deep voices, kick drums, and ...

Taking apart a circuit board or module and reconstructing its complete schematic is a valuable skill. We can see how someone designed circuitry to gain ideas that can be applied to our work. And ...