Used Mackie Big Knob Passive Volume Controller

Take command of your monitoring with this Used Mackie Big Knob Passive Volume Controller in excellent condition. Its fully passive design delivers transparent level control with no power required, featuring a large tactile knob for precise adjustments. Easily switch between multiple stereo sources and monitor outputs, and connect powered speakers, amps, or headphones via standard line-level I/O. Built in Mackie’s rugged studio-ready chassis, it’s an ideal centerpiece for clean, reliable desktop monitoring.