Mackie Big Knob is the go-to monitor controller for studios the world over. But, now that we've added in the high-resolution goodness of an Onyx recording and playback solution, Big Knob truly becomes the nerve center for your studio. Or, if you are looking for excruciatingly simple volume control/monitor switching, the Big Knob Passive delivers at an amazing price. Both the Big Knob Studio and Big Knob Studio+ offer high-resolution USB interfacing (with resolutions up to 192 kHz), featuring dual Onyx mic preamps, delivering an ultra-wide 60 dB of gain range and award-winning sound quality. The Mackie Big Knob has proven itself for more than a decade as the go-to monitor controlling solution for project and professional studios. The all-new Big Knob family takes the best of this classic workflow, delivering the right solution for the modern studio. The expanded Big Knob lineup offers models with unique feature sets and I/O to suit a huge range of applications. Features like dual headphone outs, a dedicated amp-driven studio out, a true cue mix and more ensure Big Knob will fit right into your studio or workspace.