The Chinese are capable of making outstanding quality knockoffs.
You can buy Birkin bags even a LVMH investigator isn’t sure it’s a fake. But they cost several hundred dollars, not $40.
The fake Dartzeel you’re looking at is the audio equivalent of a $40 Birkin bag. It’s going to look and sound like a generic $800 AliExpress amp, albeit one that looks like a Dartzeel when seen through the window in Google Maps.
A bit-perfect Dartzeel clone, if such a thing existed, would cost $15,000, not $2,000.