Behringer MA400

Everything went well during rehearsals, until it all went sideways on the big stage. I would use this device to hear myself singing on stage, together with the monitor mix. But during soundcheck it didn't work and no microphone signal came out of the device. When I bypassed this device and connected the microphone directly to the stagebox, it worked. Later on, I researched a bit and apparently the device doesn't take phantom power well. It is already connected to power via its own 12V power supply. So hands off if you wanna use it for a similar scenario.