Xvive PX Portable 3 Channel Personal Mix SetAs a musician and or singer, whether you're performing live, rehearsing with a band or recording in a studio, you need to hear both yourself and the other musicians. But just as importantly, you need to have control over what you hear. Everyone hears differently from their own perspective, so everyone needs to have control over their own mix. The PX A 3 Channel Mixer and Headphone Amplifier is a beltpack unit that accepts three audio signals, lets you