Used Mackie Big Knob Passive Volume Controller

Used Mackie Big Knob Passive Volume Controller in great condition, perfect for precise studio monitoring control. Features include a large volume knob for smooth attenuation, dual stereo source and speaker selection, and passive circuitry for transparent sound without coloration or power requirements. Ideal for professional or home studio setups, it offers 2x2 stereo I/O via balanced 1/4" TRS connectors. Built to Mackie’s rugged standards for reliable, high-quality monitoring control.