Mackie Big Knob Passive offers a rock-solid monitor control solution for any studio. Choose your source, choose your monitor and control it all with one Big Knob.
Excruciatingly simple 2x2 monitor controller
Choose between two sources and two monitor pairs
Classic Big Knob volume control
Professional mono, mute and dim functions
Pristine audio quality
Passive audio path with no power supply needed
Sturdy “Built-Like-A-Tank” design