I bought these microphones for an outdoor event, and was pleased with the sound quality for the price. However, I was pretty disappointed when they, after working perfectly in rehearsal, started producing a lot of pink noise through the speakers during the performance.
After a little research, I discovered that the one microphone was not working at all and was producing the unwanted sound. After two such like performances, I set the mics up again, and they worked fine.
I asked Thomann if they wouldn't replace them for me, but I haven't received much help, because I can't give them a video to prove my problem. And so, I am pretty disappointed! I have appreciated Thomann's service thus far, but right now I'm not ready to buy from them again.