Audio Grounding Box Tuning Box Power Purifier Electronic Black Hole

[Gerlach]

Jip, you have read correctly "Block Hole" oint: The secret is out for the grounding problems audio system.  Go check the specs of the stuff that go's in to the box.
https://www.aliexpress.com/item/32961264748.html

 

[Agaton Sax]

 

[Katji]

 

[Agaton Sax]

 

[scrarfussi]

 

[Katji]

 

[Gerlach]

 

[Katji]

 

[chrisc]