I needed angled conector for PA speakers, so we can put covers over them in case of a rain during a show. This conectors really helped us because now we don't need to disconect speakers and we can keep playing, if the storm isn't big.
It's really good qualiti and I didn't have any problems with it yet and I don't expect them either. The desing it's also really good because it stays in place just how you need it, and it doesn move around.
I had a guy solder them and it works really well.