Hi-tech psytrance sound design starts with a simple fact: the music is very fast. Most hi-tech runs from about 160 BPM up past 180, and some tracks go higher. At those tempos everything you know from 138 BPM full-on stops working, not because the sounds are wrong, but because there is no time left between them.
This post is about what that speed does to the kick, the bass and the atmosphere, and how to design sounds that survive it.
The kick problem in hi-tech psytrance
At 170 BPM a sixteenth note is about 88 milliseconds. A kick with a long, ringing sub will still be sounding when the next bass note hits, so the two pile up and the low end loses its punch. That is why hi-tech psy kicks are short: a fast click on top, a sub that drops away quickly, and very little tail.
A practical way to work: draw the kick's amplitude envelope so the low end has mostly faded by the time the next sixteenth starts, then tune the kick's fundamental to the key of the track so it does not clash with the bass. Check it at the real tempo, never in isolation. A kick that sounds weak on its own is often the one that sounds best in a 175 BPM groove.
A common mistake is taking a kick designed for slower psytrance and speeding the track up. The kick stays the same length while the space around it shrinks, and the mix turns to mud. Hi-tech psytrance samples need to be made for the tempo.
Bass behaviour
Hi-tech bass is usually a rapid rolling pattern in the gaps between kicks, often with the filter opening and closing on almost every note. Compared with darker, slower psy, it tends to have less warm sub and more mid-range bite, because the bite is what you can still hear at this speed.
FM synthesis is popular here because it gives sharp, metallic tones that cut through. Whatever synth you use, keep notes short, keep the attack fast and use sidechain or a volume shaper so the bass ducks cleanly under each kick. At these tempos the duck needs to be short and tight or the groove starts to pump in an unwanted way.
Atmospheres and FX
Hi-tech uses less melody than progressive styles and more texture: noise, glitches, metallic sweeps, short vocal or synth stabs and constant small changes. Tension comes from density and movement rather than from chord progressions.
Keep FX short and rhythmic. Long reverbs blur at 170 BPM, so try short reverbs, delays synced to the tempo, and automation that changes something every bar or two. That constant motion is a big part of what makes hi-tech feel alive.
Where the free pack fits
The free NEURALAX Starter pack has 185 samples: 8 kicks, hats, cymbals, snares and claps, 6 bass one-shots in C, stabs, pads and gated loops at 145 BPM in C minor, glitch loops at 145 BPM, ear candy and one-shot FX (risers, impacts, sweeps, delay throws). It was made at 145 BPM, which is slower than hi-tech, so treat it as raw material: the kicks and short one-shots work after you shorten their tails, and the glitch loops and FX can be chopped and resampled into hi-tech patterns.
The free pack comes from a Telegram bot: press Start and the 185 samples arrive right away, then a new free pack every day. → Get the free pack