I've got one of these, was playing it last week. It's very good for its price point; I've got cobalt flats on it, it sounds nice. If I needed an inexpensive fretted four-string this would definitely be on my list.
I've got one of these. Nicely built, sounds good. Heavy! Mine's got Fender black-nylon tapes on it.
(It has convinced me I don't really like P-J basses, but that's not its fault )
Interesting... this is a four-string version of the five-string fretless Thomann were selling as a Harley Benton HBZ-6000 (I think). And the headstock looks very Peavey. I have the fiver, I love it to bits.