A well-known property of switching mode power supplies (SMPS) like those used in any modern computer is that they’re more efficient at higher AC input voltages. Power supply efficiency at ...

If you’ve decided to invest in an audiophile-grade set of wired headphones or IEMs, you should definitely consider acquiring a headphone amp ... to supply digital audio via optical, PC-USB ...

Not wanting to spend the money on a dedicated power supply, he looked around for a cheaper solution and found one in an off-the-shelf ATX computer power ... could supply 25 amps on the 12 volt ...