Used Mackie Big Knob Passive Volume Controller

Take control of your monitoring with this used Mackie Big Knob Passive Volume Controller in great condition. Its fully passive design delivers clean, transparent level control with no power required, ideal for studios, editing suites, or desktop rigs. Features a large main volume knob, multiple stereo input selection, and switchable monitor outputs for quick A/B comparisons. Built tough for daily use, it’s a simple, reliable hub for accurate listening decisions.