Groundhog+
Does your system suffer from an irritating buzz or hum that decreases when you touch it?
It’s missing an earth/ground. You need the Groundhog+.
The ‘touch’ test
When you touch your device, does the hum/buzz noise decrease? When you let go, does it increase again?
If so, this is likely to be caused by a missing earth/ground connection. This connection normally shields your system from such interference and drains away the noise. In this instance, you need the Groundhog+.
If, when you touch it, the hum or buzz does NOT decrease, then this means you have a ground loop caused by multiple earths. The most effective solution for this is our .