Sound & signal
Three-band EQ
A three-band EQ splits each channel into low, mid and high and gives you a knob for each. It is the primary tool for deciding which parts of two records are audible at any moment.
Measured in our catalog
The three bands map onto what our analyser reads: bass weight at a median of 88, warmth at 37 and brightness at 59 across 443,242 tracks.
The asymmetry is the useful part. Bass weight is clipped at the top of its scale and sits high on almost everything, so the low band is the contested one and the one worth swapping decisively. Warmth runs far lower, which is why the mid knob is the one you can usually leave alone.
88
Low — median bass weight
37
Mid — median warmth
59
High — median brightness
443,242
Analysed tracks
| Band | What lives there | Catalog median | In a transition |
|---|---|---|---|
| Low | Kick, sub, bassline | 88 | Swap it — never share it |
| Mid | Vocals, chords, snare body | 37 | Pull back the incoming track |
| High | Hats, top line, air | 59 | Safe to leave overlapping |
Measured on 11 August 2026 across public tracks carrying analysed bass-weight, warmth and brightness values — these are readings of the recording, not of a mixer setting.
Why it matters
EQ is what makes a long blend possible at all. Two full-range records played together is noise; the same two with one record’s lows removed and the other’s mids pulled back is a mix, and the difference is three knobs.
The useful mental model is that you are allocating space rather than shaping sound. Each band can hold one record properly. Deciding which track owns the low end at any instant — and swapping that ownership cleanly — is most of what a transition is.
Frequently asked
What do the EQ knobs on a DJ mixer do?+
Each cuts or boosts one band of the channel — low, mid or high. Cutting is used far more than boosting, because removing what you do not need is quieter and cleaner than adding what you do.
Should you cut or boost when mixing?+
Cut. Boosting eats headroom and pushes the channel towards clipping; cutting the band you want out of the way achieves the same balance with room to spare.
Which EQ band matters most in a transition?+
The low. Two kicks and two basslines in the same band is the one clash with no acceptable version, so the low band is the one that has to be handed over decisively rather than blended.
Related terms
Kill EQ
A kill EQ removes a band completely when the knob is turned fully down, rather than merely attenuating it. On a mixer with true kills, taking the bass to zero leaves genuinely nothing below the crossover.
Kick
The kick is the low drum that states the beat — in most dance music, on every one of the four beats in a bar. It carries the pulse and most of the energy a floor actually feels.
Bassline
The bassline is the low melodic part that moves underneath the drums. It carries the track’s harmony as much as its weight, which is why two of them at once clash in a way two melodies do not.
Filter
A filter removes everything above or below a moving cutoff point. A high-pass strips the bottom away as you turn it up; a low-pass takes the top off as you turn it down.
Explore: Mixing guides · Kill EQ · Filter · All DJ terms