the low end in techno: kick and sub bass tips
Picture a Saturday night at a basement club in Melbourne. The room is dark, the PA is hammering, and every chest in the building is getting kicked by the same loop. When the low end is right, nobody notices the kick or the sub separately — they just feel locked together as one. When it is wrong, every dancer knows, even if they cannot explain why. That invisible bond between kick and sub bass is what separates a techno track that punches on a club system from one that sounds mushy or thin.
Most low-end problems producers run into are not about volume. They are about overlap. The kick and the sub both want to live in the same narrow band between roughly 30 and 120 Hz, and if you let them fight for that space, the result is a build-up of energy that translates to flabby bass on big rigs and lost definition on smaller speakers. The trick is to give each element its own role in the spectrum and let them work as a team.
Aussie producers often work in bedrooms, home studios in suburban Brisbane or Perth, and small project rooms around Sydney's Inner West. The gear varies wildly — some are tracking into FL Studio on a laptop with modest monitors, others are bouncing stems through high-end converters in shared warehouse spaces. The advice below works across all of those setups because the principles are about arrangement and frequency, not about how expensive your speakers are.
For ongoing discussion, sample packs, and feedback on your own tracks, the Melody Mix community is a useful place to compare notes with other techno heads from Australia and beyond, especially when you want a second opinion on a tricky low end.
Where the kick lives and where the sub sits
Before you touch a single EQ knob, it helps to know what you are actually dealing with. A typical techno kick is not a single tone. It is built from a few layers: a sharp click in the high frequencies above 2 kHz, a beater snap in the upper mids, a thick body in the mid-bass region around 100 to 250 Hz, and a low tail that rolls down into the 40 to 80 Hz range. The sub bass in a techno track is usually a sustained sine or near-sine tone that anchors the groove, often a melodic riff or a slowly evolving pad.
When these two share the same octave, problems start. If your kick's body and your sub's fundamental both sit at, say, 60 Hz, they will phase against each other at unpredictable moments and your low end will sound inconsistent across the song. Even a few hertz of overlap can introduce a pumping or wobbling effect that is hard to spot in solo but easy to feel on a system.
One way to make this visible is to drop a spectrum analyser on your master bus and watch what happens during a kick hit. You will often see a big spike right where the kick lands, and another ridge where the sub sits. If those two peaks are stacking at the same frequency, that is your cue that they need to be separated.
Another trick local producers swear by is to print your kick and sub to audio as separate stems and listen to them in mono through a single small speaker. If you can hear both clearly, the mix is in a healthy place. If one disappears when you sum to mono, you have a phase or stereo-width problem hiding in the low end.
Picking kicks and subs that already get along
A lot of low-end headaches can be avoided before you ever open an EQ. The character of the kick you choose and the timbre of the sub you write or select will determine how easily they sit together. A kick with a long, rumbly tail that drops into sub territory is going to clash with a deep sub almost every time. A kick with a tighter, more percussive body leaves a pocket in the low end for the sub to breathe in.
When building or choosing a sub, look for tones that complement rather than mirror the kick's pitch. If your kick is tuned to F, you can write your sub in F an octave below, but you will probably want the sub's fundamental to live slightly higher than the kick's tail, or to use a different waveform that does not pile on top of the kick's energy.
Some Australian producers like to build their kicks from layered samples rather than using a single hit. You might take a transient click from a 909-style sample, blend it with a more punchy mid-body from another library, and leave the very bottom of the kick dry so the sub has somewhere to go. The shared sample packs and project files floating around community spaces make it easy to audition a few options before you commit.
It is also worth tuning both elements to the same root note. A kick tuned to F and a sub wandering around in D-flat will sound out of place even if their frequencies do not technically overlap. Use a pitch reference or a tuner on both sounds before you start mixing. This small step saves a lot of frustration later, especially if you are writing in a key that is not as common as C minor.
EQ strategies for carving out space
EQ is where the real work happens, and it is usually a matter of subtraction rather than boost. The classic approach is to find the fundamental frequency of your sub and gently cut a narrow band at that same frequency in the kick, or vice versa. A narrow cut, somewhere around 2 to 4 dB deep and only a few hertz wide, is often enough to keep the kick from stepping on the sub without making the kick itself sound hollow.
The opposite move works too. If your kick has a strong body at, say, 90 Hz and your sub is sitting at 55 Hz, you can scoop a small amount out of the sub at 90 Hz to give the kick more room. The aim is to leave each element with a clear lane in the spectrum.
Be careful with broad boosts in the low end. Lifting the kick at 60 Hz by 3 dB and the sub at 60 Hz by another 3 dB is a recipe for a muddy master. Instead, think about what each sound needs to do. The kick needs to punch and cut through. The sub needs to rumble and sustain. Those are different jobs, and they call for different frequency ranges.
High-pass filtering is another quiet hero. Many producers high-pass the kick above 30 Hz if the sub is going to handle that area, or the sub above 80 Hz if the kick's body is sitting there, which keeps each sound focused on its role. Working on headphones late at night in a share house in Surry Hills or Fitzroy, reference against a track you trust and A/B at matched loudness. The low-end differences will jump out.
Sidechain compression and the role of pumping
Sidechain compression is the secret handshake of techno production. Ducking the sub every time the kick hits creates that pumping, breathing effect that is part of the genre's DNA, and it also solves a lot of overlap problems in one move. Set the kick as the sidechain input on a compressor on the sub bus, set a medium attack so the sub ducks quickly, and a slower release so it eases back in after the kick has passed.
The exact ratio and threshold depend on how aggressive you want the pumping to feel. A ratio of around 4:1 with a few dB of gain reduction is a good starting point. If you want a more dramatic effect, push the ratio higher and shorten the release. If you want the sub to stay more present, keep the gain reduction light and let the two elements share the space without too much ducking.
Some producers also sidechain the kick to a duplicated sub layer that is only triggered by MIDI, which gives you even more control over how the duck behaves. Sidechain on the master bus, as a last resort, can glue everything together but should be used sparingly because it affects the entire mix.
For anyone just getting into this, sidechain compression is one of those techniques that sounds mysterious until you actually try it. Ten minutes of fiddling with attack and release on a compressor will teach you more than any tutorial, and the forums are full of producers sharing the exact settings they use on their own techno tracks.
Mono, phase, and the final low end checks
Once the kick and sub sound great in stereo, you have to make sure they survive in mono. Most club PA systems are mono below a certain crossover point, and phones, laptops, and Bluetooth speakers are essentially mono in the low end. If your kick and sub cancel out when summed to mono, your track will sound weak on a huge chunk of playback systems.
To check this, place a utility or gain plugin on the master, switch it to mono, and listen. The low end should stay solid, not thin out or disappear. If you lose bass, look at the stereo width of your sub. Often, simply keeping the sub in mono while the kick is also mono is the cleanest solution. Stereo widening on the sub can sound huge in the studio and then vanish the moment it hits a club system.
Phase alignment is another thing worth checking, especially if you are layering multiple kick samples or running parallel processing. A few samples of nudge on a duplicated kick layer can tighten the whole low end and make it hit harder without any extra volume.
Finally, listen on as many systems as you can. Your studio monitors, your headphones, the Bluetooth speaker in your kitchen, the car stereo on the drive from Coogee to the city. If the kick and sub still feel locked and punchy across all of them, you have done the job.
The goal is a low end that translates from a tiny phone speaker in a Sydney cafe to a Funktion-One stack in an underground warehouse. When the kick and sub are properly balanced, the rest of the mix tends to fall into place almost on its own, and the track stops being a collection of sounds and starts being a record people actually want to dance to.