The Behringer Powerplay P1 personal in-ear monitor amplifier puts monitor mix control into your hands. On stage, stop trying to flag down the sound engineer for your monitor mix tweaks. Instead, turn yourself up when needed. If you're a studio engineer, the Powerplay P1's dual inputs put the cue mix in the musician's hands and let you focus on the main mix. Powered by battery or optional power supply, the level and balance/mix controls give you the tools you need to create your perfect monitor mix. Incredibly useful on stage or in the studio, Behringer's Powerplay P1 personal in-ear monitor amplifier is a budget-friendly solution to your monitoring woes.