Used Mackie Big Knob Passive Volume Controller

Looking for precise monitor control without sacrificing sound quality? This used Mackie Big Knob Passive is in Excellent condition and delivers transparent, accurate volume control for any studio setup. Featuring a simple passive signal path, it ensures zero colorization of your audio. It supports two stereo input sources and two pairs of monitor outputs, letting you easily switch between them with ergonomic front-panel knobs. With no active electronics, it requires no power source and maintains clean signal integrity. Perfect for home or pro studios, the Big Knob Passive offers professional-level monitoring control with rugged Mackie design reliability.