Im doing something where I need 4 mics to be plugged in, since it covers a wide area. I have an MA-200 and can plug mics into the Audio 1 left and right, if I plug a mic into the lower XLR inputs, audio 2 nothing happens.

Ive connected the two side phono leads to the audio 2 inputs on the XL1 but still nothing. Am I missing something?