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
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
