Used Mackie Big Knob Passive Volume Controller

Take command of your monitoring with this used Mackie Big Knob Passive Volume Controller in good condition. Its fully passive design delivers clean, transparent level control with no power required, ideal for studio or desktop setups. Features include a large master volume knob, quick source selection, and monitor switching for effortless A/B comparisons, plus handy mono and mute functions. Built in Mackie’s rugged style, it’s a reliable centerpiece for precise listening control.