First off, do not use phantom power with wireless mics. They have their own power supply and phantom power can cause issues. Secondly, make certain to go in your audio menu and turn on the XLR ports. finally, make certain the mic switchs above the xlr inputs are in the following positions: Top right swithch is set to mic, bottom right switch set to ch 1, top left switch turned to ch1. I always run my talent on ch1 and my shotgun on ch2.