This topic was covered in some older speaker threads, but may not have the definitive answer your looking for regarding your Behringer devices.
www.avsforum.com
www.avsforum.com
It may be worth a call to Behringer tech support to get their input

Help Setting up Karaoke with Existing Speaker Setup
Hello, I have a 5.1 speaker setup consisting of following in-wall/in-ceiling speakers: 3x front speakers: https://www.definitivetechnology.com/products/uiw-rls-ii (Peak Power Handling 350 watts) 2x back speakers: https://www.definitivetechnology.com/products/di-8r Subwoofer...

Will singing karaoke damage my speakers?
Here is a question from a newbie: I'm worried about damaging my speakers while singing karaoke. I plan to sing karaoke in my home theater set up with Paradigm Studio60 speakers and Denon 2805. Let's say that I'm not going to use a mixer. If my friends shouts loudly to the mic while singing, is...
It may be worth a call to Behringer tech support to get their input