so as the title says how would i set up aux sends so i can send a signal to my head phone mix that is only the prerecorded not the live recording. i.e so a singer can hear what was already but not them self of monitering leval(i send the live signal throu a diffrent channal on the head phone mixer. sorry about spelling. also i can pick what is being sent throu the sends. with out it effecting what is coming out of the moniters.