Used Mackie Big Knob Passive Volume Controller

Take command of your monitoring with this used Mackie Big Knob Passive Volume Controller in great condition. Designed for transparent, no-power-needed level control, it features a large master volume knob, stereo I/O for flexible routing, and rugged desktop build quality trusted in studios worldwide. Perfect for DAW setups, interfaces, and monitor speakers, it delivers smooth attenuation and quick, hands-on control for mixing, tracking, and everyday listening.