This item was returned in mint condition. It is free of any performance issues, and has no scratches, blemishes, or other cosmetic flaws.
Mackie Big Knob Passive is a proven design that delivers professional level control, plus source and monitor selection for studios of any size. It’s like having an audio traffic cop in your studio. Your best mix is always one that is achieved through disparate monitoring comparisons. Big Knob Passive makes that easier than ever.

The passive audio path ensures sonic integrity is maintained throughout your signal chain. More than just a level control, Big Knob Passive features the ability to choose between two sources and two monitor pairs. Ideal for simple level control in a home or project studio or for integration in a large studio or group of editing suites, Big Knob Passive is an affordable monitoring control solution.