A friend of mine is producing a series of HOWTO videos for an open source project, and discovered that he needed a better ...

Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ...

Learn how to make your own DIY portable speaker for your smartphone using basic components like mini speakers, an amplifier circuit, and a micro-USB OTG cable. This step-by-step tutorial guides you ...

At €3311/US$3599, the Gustard R30 wants to be your next streaming DAC. The Chinese manufacturer has put discrete R2R ...

Like its Amp and Amp Pro before it, the Amp Ultra is a “just add speaker” hi-fi component that can turn most pairs of passive ...

However, the standout trend for 2025 is that many CD players now include digital inputs, allowing them to serve as DACs for ...