Used Mackie Big Knob Passive Volume Controller

Used Mackie Big Knob Passive Volume Controller in great condition, offering precise volume control for studio monitors with no power required. Features include a large central knob for smooth stereo level adjustment, two selectable stereo inputs, and two monitor outputs—perfect for comparing mixes across different speakers. Its passive circuitry ensures transparent, color-free audio signal path. Ideal for any studio setup needing reliable, high-quality monitoring control without introducing unwanted noise or distortion.