They hum, even when not connected to the sound card. Then the problem is not likely a ground loop, but rather in the speakers' power supply. It'll have to be repaired or replaced.

When reaching for a power supply design it’s normal here in 2022 to reach for a switching design. They’re lightweight, very efficient, and often available off-the-shelf at reasonable pr… ...

If you're a dedicated Logitech enthusiast with a compatible Logitech G mouse and don't mind being limited to the included soft cloth mouse pad, the Powerplay 2 works well enough for its intended job.

Starting with the improvements Logitech's Powerplay 2 brings to your desktop, this new version is thinner at 3.5mm compared to the 4mm thickness of the original. Despite measuring smaller than the ...

Today, Logitech is changing that with the Logitech G309, an $80 mouse that almost does it all. It’s the first Powerplay mouse this inexpensive, the first with Bluetooth, the first that lets you ...

I’ve been using Logitech’s G502 X Plus paired with the original Powerplay mouse pad since 2022, and haven’t had to charge it once.

For example, an 80 Plus White 500W power supply at 50-percent load would work out to 250W DC power, or 312.5W AC power. You’ll use that latter number (312.5) when tabulating your electricity ...