Used Mackie Big Knob Passive Volume Controller

Used Mackie Big Knob Passive Volume Controller in Good condition. This desktop monitor controller features a large volume knob for precise level control, selectable A/B speaker sources, and dual stereo input sources. Completely passive circuitry ensures uncolored audio performance with no power required. Ideal for home studios and professional setups needing simple, reliable monitoring control. Compact and durable, it's compatible with most audio interfaces and speakers using standard 1/4" TRS connections.