This was an exchange because for no reason the other did not work, when try to use in a gig simply did not on. I called Thomann and they simply send me a new handheld, since its arrival a few months ago is working perfect, I trust these mic set because I use it in weddings to give a mic to the clients, avoiding to risk my expensive Shure, but I use them to sing because the sound is so clear that there is no difference specially with the SM58 or the 835.
The only thing Thomann need to correct is when you turn it off, you can hear a "pop" on the mixer so better mute the channel before do it.