Mackie Studio Monitor, 12-Inch (SRM450v3) 1000W system power paired with custom transducers deliver gig-level volumes with room to spare High-Definition Audio Processing for professional sound with unmatched clarity Quick one-button Speaker Mode selection for application-specific voicing (PA, DJ, Monitor and Soloist) Effortlessly eliminate nasty feedback with one-button automatic Feedback Destroyer Integrated 2-channel mixer featuring dual Mackie Wide-Z inputs