ART MyMONITOR Personal Headphone In-Ear Monitor Mixer XLR Mic In connector accepts a dynamic or condenser mic (the mixer or another source of phantom power will be required for a condenser mic) XLR Mic Thru connector for connecting My MONITOR to the mixers mic input. 1/4 stereo Monitor In jack accepts the stereo output of a mixer, CD player, tape deck, etc. to be mixed with the mic signal through the headphones Mic Level control regulates the mics headphone level Monitor Level control regulates the stereo Monitor inputs level through the headphones