Studios of any size can benefit from the professional source/monitor selection and precise level control of the Big Knob Series. With Big Knob Passive, you get straightforward, simple source and monitor switching with no active electronics in the way plus it doesn't require power.
The Mackie Big Knob has been the go-to monitor controller for studios the world over for well over a decade. And with the Big Knob Passive, you get the most pure audio path possible with zero active electronics in the signal path plus incredibly simple and easy source and monitor switching. When you are putting together a studio of any size from bedroom to commercial facility, Big Knob should be at the top of your shopping list.