We recently mentioned do-it-yourself cable testers. Greg Muir of Wolfram Engineering says that if you need a cable tester with a variety of connector interfaces but don’t have “DIY time,” the Pyle ...

What is the easiest way to get audio from a WAV file into a line-level format, ready to be plugged into the amplifier of a HiFi audio set (or portable speaker)? As [Konrad Beckmann] demonstrated on ...

Do portable Bluetooth speakers need a wired audio connection? It’s not quite a question as old as time, and perhaps not as important as whether there’s life on other planets (definitely) or what the ...