Maybe there’s a Terminator nearby.
If your friend calls and asks how Wolfie is, run.
The solution for you and the pup might be a crate.
I fail to see how a guitar amplifier will remedy this situation.
Anyway, I think if you’ve been watching this dog for two months, feeding it and letting it shit in your yard, it’s your dog. Do with it what you wish because you didn’t ask to have it in your life.
Or maybe put it in obedience school.