Mackie big knob passif

The Mackie Big Knob Passive monitor controller provides switching between two sets of inputs and two sets of studio monitor speakers. Passive circuitry means your audio signal will remain true to its source, while a large volume knob makes it easy to make level adjustments while you're mixing. Handy buttons for Mono, Mute and Dim put necessary monitoring functions at your fingertips. 

ı Passive studio monitor controller

ı Passive electronics for ultra-low noise and maximum signal integrity

ı Connect two sets of inputs and easily switch between them

ı Supports two pairs of studio monitor speakers

ı Large volume knob for easy level adjustments

ı Handy buttons for Mono, Mute, and Dim