Learn how to make your own DIY portable speaker for your smartphone using basic components like mini speakers, an amplifier ...

Austria's Pro-Ject Audio Systems has announced two two new affordable and fully balanced headphone amplifiers for home or ...

In this video, I fix two broken speakers by replacing their damaged micro-USB ports with simple, modern USB-C connectors. I ...

An audio amplifier was once a fairly simple analogue device, but in recent decades a typical home entertainment amplifier will have expanded to include many digital functions. When these break ...

When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...

Can a full MRI scanner be shrunk to fit through a hospital door, moved by hand, and still produce diagnostic images – ...