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Headphone cueing and CUE: listening before mixing
Headphone cueing and CUE in the booth: what the audience hears, what you hear in headphones, and how to prepare the next track without guessing.
Headphone cueing and CUE: listening before mixing
Quick answer. Headphone previewing (cueing) means listening to a track through headphones before the audience hears it. A channel's CUE button sends its signal to headphones, rather than master. It serves three purposes: checking that the track lines up, choosing the entry point, and adjusting level and tone before raising the fader.
A vocabulary warning, because it accounts for half the confusion: headphone “cue” is not the “cue point”. The rekordbox documentation explicitly separates the two functions.
What headphone cueing is and what it is not
Cueing means hearing a track in headphones while the audience continues hearing the previous one. It is half the DJ’s work: without cueing, every mix is made blind and depends on memory or luck.
What cueing gives you:
- checking the incoming track’s tempo and phase before it plays in the room;
- calmly choosing an entry point, without the audience’s clock ticking;
- adjusting the incoming channel’s level and tone before raising anything.
What it is not: it is not automatic mixing, does not decide phrasing and does not replace judgement. You can hear an entire track in headphones and still bring it in at the wrong moment. Cueing provides information; the decision remains yours.
Headphone CUE is not the cue point
This misunderstanding wastes the most time for beginners, and it is not a matter of nuance: these are two different functions, treated separately in official documentation. The rekordbox manual puts it this way: headphone cue is a different function from the cue-point function.
- Headphone CUE (monitoring): decides which channels you hear in headphones. It is signal routing and lives in the mixer.
- Cue point: a saved point within the track, the place from which you want it to start. It is track information and lives in the player.
They resemble each other because they share a name, rather than a function. When a channel’s CUE is enabled, you hear it in headphones; if a cue point is also saved, pressing CUE starts the track from that point. Confusing the two explains most “I cannot hear anything in headphones” and “it starts where I do not want it to” problems.
Setting up headphone cueing on the mixer
The routing is always the same, and this is a rule rather than a preference: what you hear through headphones does not go to master unless you raise the channel fader.
Traktor’s official documentation describes it unambiguously: each mixer channel includes a Cue button, which sends the audio signal to the headphone channel, and the manual specifies its exact uses: preparing the transition to the next track, previewing tracks or checking an effect’s behaviour live. The same manual makes the function conditional on equipment: using CUE requires a multichannel audio device. In other words, if your headphone output is not configured as a separate channel, cueing does not exist however many buttons you press.
In rekordbox, the official monitoring procedure is:
- Open the headphone panel.
- Put [MIX] in the centre: the manual describes this as the point where [MASTER] and [CUE] volume are equally balanced.
- Turn [LEVEL] all the way down.
- Press [CUE] on the channel you want to hear.
- Raise [LEVEL] to a comfortable volume.
That [MIX] control is the piece almost nobody explains: it governs how much master and CUE reach your headphones. The documentation only describes the centre position as an equal balance; turning to either side gives greater weight to one source. Finding your position on that control is judgement, rather than a rule: some people need to hear the room to keep the pulse, while others prefer to isolate the incoming track completely.
Practice heuristic: start with headphone volume low and raise it only if needed. Loud monitoring does not improve judgement and accelerates listening fatigue, which you need to avoid until the session ends.
- Groove
- Build
- Drop
- —
- Intro
- Groove
- Drop
While A plays in the room, B runs in the headphones. Raising its fader is the only thing that brings it to master. The horizontal axis shows shared bars (4/4); vertical lines mark every 8 bars. If section changes do not fall on the same guides, tracks can match in tempo while their structures clash.
What the CUE button is for
The player’s CUE button does something different from the mixer’s CUE, and that too is documented. In rekordbox:
- During playback, press pause, then [CUE]: the point where the track paused is set as the cue point.
- To return to the cue point, use Back Cue.
- If you hold [CUE] after returning, the track plays from the cue point while you hold it; on release, playback returns to the cue point and pauses.
rekordbox can also set an automatic cue point at the beginning of a track (Auto Cue), using [Auto Cue Level] as its reference. It is convenient for navigating a large library, but explains why many tracks start somewhere you would not choose: if the track contains an ambient sample or an initial silence with background noise, automatic cueing lands in the wrong place.
Judgement, not law: a good entry cue point is usually on the first beat of the first bar with rhythmic content, rather than the first audible sound. An ambient sweep is also “first audio” and is not useful as a mixing start point.
Procedure: preparing the next track
This order works in the booth, and can be made automatic until it becomes a reflex.
- Load B on the other deck while A keeps playing.
- Enable channel B’s CUE and hear it through headphones.
- Check tempo and phase: if the kicks gallop, correct it before continuing.
- Find the phrase boundary where you intend to enter. This is already phrasing: cueing simply lets you hear it without rushing.
- Adjust channel B’s level with trim before raising anything.
- Raise the fader when your chosen point arrives, rather than when it feels right.
Steps 3 and 4 are studied separately because they are techniques in their own right: manual alignment is covered in How to beatmatch manually, step by step, and choosing the entry point in What phrasing is and how to mix by phrases. With both resolved, the next link is How to mix two songs correctly.
Counting backwards from the phrase boundary is how you avoid reaching the fader late. Each block is a bar of 4 beats; the first beat (the downbeat) is highlighted. Bars are visually grouped every 4 to show larger blocks, but musical phrasing is determined by the music, not the grid.
What to listen for while cueing
You learn cueing by listening with specific questions, rather than “let’s see how it sounds”. These are the questions asked in the booth:
- Does it gallop or line up? If the two kicks together produce a double hit, there is misalignment.
- Is it louder than the track playing in the room? It is almost always trim, rather than the track.
- Do the bass parts fight? Fix that before the fader, rather than afterwards.
- Where is the first section change? That is your phrase boundary, the information that decides the entry moment.
- Does the playing track have a clean exit point? Not every track does, and knowing in advance changes the entire transition.
Common mistakes
“CUE is the cue point.” They are separate functions, exactly as the rekordbox documentation states. One routes audio to headphones; the other saves a position within the track.
“I press CUE and should hear it, but my headphones are not configured.” The most common configuration failure. Traktor explicitly sets the condition: a multichannel audio device is required.
Raising the fader before listening. If you have not heard the track in headphones, you do not know whether it lines up, where it changes or what its level is. It is the fastest way to ruin a transition that was going well.
Monitoring at brutal volume. It does not improve judgement and leaves you without fine hearing for the session’s end.
Listening only to the first few bars. The beginning is almost never what breaks the mix; the section change you had not heard is.
Leaving CUE enabled while mixing. It does not muddy master, but leaves both tracks summed in headphones and loses your reference for what the room hears.
Frequently asked questions
What is the difference between headphone CUE and a cue point?
They are two different functions, and rekordbox documentation states it explicitly. Headphone CUE decides which channels you hear through monitoring; a cue point is a saved position in the track from which you want it to start.
Why do I hear nothing in my headphones when I press CUE?
Most commonly, the headphone output is not configured as an independent channel. The Traktor manual sets that condition: using Cue requires a multichannel audio device.
Does the audience hear what I am cueing?
No, provided the channel is not raised. CUE routes the signal to the headphones; bringing that signal to master requires raising the channel fader.
What does the headphone panel's MIX control do?
It mixes master volume and the channel in CUE within your headphones. The rekordbox documentation describes the centre position as the point at which both are balanced equally.
What does the player's CUE button do?
It sets or recalls the track's cue point. In rekordbox, if you hold CUE after returning to the point, the track plays from there while you hold it; releasing returns it to the point and pauses it.
Should I listen to the whole track while cueing?
You do not have to, but listen to the important sections: the start, the phrase boundary at which you intend to enter, and where the track changes section. Listening only to the first few bars is a classic source of surprises.
At what volume should I monitor?
At the minimum that lets you judge. Raising headphone volume does not improve judgement and accelerates listening fatigue, precisely what you need to avoid throughout the session.
Continue learning
Start here if these concepts are new to you
Related guides
Sources
- Instruction Manual rekordbox 7.2.18
The official headphone-monitoring procedure ([MIX] centred, [LEVEL] at minimum, channel [CUE], raise [LEVEL]). Explicitly separates 'the headphones cue' from the 'cue point function'. Also describes setting a cue point, Back Cue and Auto Cue according to Auto Cue Level.
- Traktor Pro 4 Manual — Advanced Usage Tutorials (Using the Cue Channel for Mixing)
“Any Mixer channel provides the Cue button to send the audio signal to the Headphones Cue channel. This way you can prepare the transition to the next track, preview tracks, or preview effect behavior in a live situation.” Includes the cueing procedure and headphone-channel volume adjustment.
- Traktor Pro 4 Manual — Traktor Overview (Mixer Channel)
Defines the channel CUE button as one that “Sends the audio signal to the Headphone Cue channel for preview” and specifies that “for using the Cue function a multi-channel audio device is required”.
Last technical review: 29/09/2026. Please report any errors so they can be corrected.