Used Mackie Big Knob Studio Volume Controller

Take control of your monitoring with this used Mackie Big Knob Studio volume controller in good condition. Designed for studio and home setups, it delivers smooth master volume control plus quick source and monitor switching. Features multiple analog inputs, dual monitor outputs, and a dedicated headphone output for accurate, convenient listening and routing. A reliable, hands-on centerpiece for improving workflow, gain staging, and everyday mix decisions without diving into menus.