Should I use a limiter on the master channel while mixing?

It's generally best to avoid using a limiter on your master channel during the mixing stage. Limiters are powerful tools that cap and squash peaks, and while they're essential for mastering, using one too early can mask issues in your mix. Here's why saving the limiter for later is usually the smarter move:

1. You Lose Perspective on Dynamics
During mixing, you want to hear your track as it truly is—warts and all. A limiter can give you a false sense of loudness and polish, making it harder to spot problems like imbalanced levels, harsh frequencies, or muddy low end. Without a limiter, you're forced to solve these issues at the source, which leads to a cleaner, more professional mix.

2. Headroom Is Your Friend
Leaving headroom on your master channel (typically aiming for peaks around -6dB to -3dB) gives you and any mastering engineer room to work. If you're limiting during the mix, you're eating into that headroom and potentially introducing distortion or unwanted compression artifacts before the track even reaches the mastering stage.

3. Mixing Decisions Shouldn't Depend on Limiting
If you find yourself relying on a limiter to make your mix "work," that's a sign something else needs fixing. Maybe your kick is too loud, or your synths are clashing. Addressing these issues directly—through EQ, compression, or arrangement tweaks—will always yield better results than papering over them with a limiter.

4. Reference Tracks Can Help
If you're worried your mix sounds too quiet without a limiter, try using a reference track. Pull in a professionally mastered song in a similar genre and match your mix's tonal balance and energy to it. This helps you make better mixing decisions without the crutch of a limiter.

When Might You Use a Limiter During Mixing?
There are exceptions. Some producers like to "mix into" a limiter to hear how their track will react to loudness processing. If you do this, keep the limiting subtle and be aware that it's coloring your perception. Just make sure to bypass it regularly to check how your mix sounds without it.

Bottom Line
Save the limiter for mastering. Focus your mixing energy on balance, clarity, and dynamics. When your mix is solid on its own, it'll only get better once it hits the mastering chain.

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Frequently Asked Questions

What's the difference between mixing into a limiter versus adding one during mastering?

Mixing into a limiter means you're making creative decisions based on how the limiter colors your sound, which can lock you into a certain loudness and dynamic range. Adding a limiter during mastering allows you to finalize the track's loudness after all mixing decisions are made, giving you more flexibility and a cleaner final product.

How much headroom should I leave on my master channel if I'm not using a limiter while mixing?

Aim for -6dB to -3dB of headroom on your master output. This gives you plenty of space for mastering processing and ensures you're not clipping or introducing distortion before the track is finalized.

Can using a reference track compensate for not having a limiter on my master while mixing?

Reference tracks help you make better EQ and balance decisions, but they won't replace the loudness a limiter provides. Use them to match tonal balance and energy, not overall volume. Your mix will naturally be quieter than a mastered reference, and that's okay.