Monitor Controller article
Monitor Controller for Beginners: A Complete Guide
Setting up a monitor controller is straightforward once you understand the signal flow. Here is the connection sequence, the initial level-setting process, and how to use speaker switching and the mono button.
Getting a monitor controller set up and working correctly is straightforward. The most common first-session confusion is around signal routing: understanding what connects where and in what order eliminates most of the initial uncertainty.
Understanding the Signal Flow
The signal path is: audio interface line outputs → unit inputs → unit speaker outputs → studio monitors. Your DAW sends audio to the interface, the interface converts it to analogue and sends it to the unit, which routes it to whichever speaker pair you have selected, at the volume you have set. It is a passive or active junction point in the chain — it does not process or change the audio, only routes and attenuates it.
Making the Connections
Connect the line outputs of your audio interface to the unit’s inputs using balanced TRS or XLR cables. These are stereo pair connections: left channel to left input, right to right. Then connect its speaker outputs to your studio monitors in the same way — left output to left speaker, right to right speaker. If you have a second speaker pair, connect it to the second speaker output group. Finally, connect your headphones to the headphone output on the front panel.
Power everything on in order: interface first, then the unit, then the speakers. At shutdown, reverse the order: speakers off first, then the unit, then interface.
Setting the Initial Volume Level
With everything connected, start with the volume knob on the monitor controller at its minimum position. Play audio from your DAW. Slowly raise the knob until the listening level feels comfortable — not loud enough to strain the speakers, but enough to clearly hear the mix. Set a reference level and try to return to it consistently for mix decisions, since level affects how you perceive frequency balance.
Using the Speaker Switching
If your unit has two speaker outputs, you can switch between them from the front panel. Use this to check your mix on different speaker characters — near-fields for detailed mix decisions, a secondary reference speaker (such as a smaller, mid-focused unit) for checking how it translates to other systems. The level trim on units like the Audient Nero lets you calibrate both speakers to the same perceived listening level before switching, so you are comparing the mixes rather than the different volumes of the speakers.
Using the Mono, Dim and Mute Buttons
Mono sums the stereo signal to mono. Press it regularly during mixing to check for phase issues and to verify that your mix translates to mono environments. Dim drops the level by a fixed amount — useful during brief interruptions without losing your listening level setting. Mute silences all outputs without touching the volume knob.
For a full explanation of how these units work and the types available, see our monitor controller overview. For buying guidance, read the buyer’s guide.
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