I bought several of these for use in a basic home studio as I didn't require anything particularly robust.
I wish I hadn't bothered, the quality is non-existent. They were used in an environment that wouldn't subject them to any physical stresses, and they crackle, you just have to touch the jacks and the signal cuts in and out.
They're cheap, but ultimately they will end up in the bin - so it's false economy. The other cheaper cables Thomann sell (Cordial for example) are in a different league.
Thomann really shouldn't be selling this junk, it's not fit for purpose.