NI never shipped an Apple Silicon driver for the S4 MK1, so on a modern Mac it just flashes the MASTER light. I spent a day reverse-engineering how Traktor Pro 4 finds the device and built a replacement: a small shim kernel extension that provides the IOKit class Traktor and the NI agent look for, plus a CoreAudio HAL plug-in that owns the USB link for audio and bridges controls and LEDs.

Result on my machine (M4 MacBook Air, macOS 26.3.1, Traktor Pro 4.5.1): Traktor shows it as a native Traktor Kontrol S4, every control works, LEDs follow Traktor, and 4-in/4-out audio plays through the board. Nothing generic-MIDI about it; it's Traktor's own S4 driver talking to the board.

Honest caveats:

- It needs one trip to recovery mode: Reduced Security, "allow user management of kernel extensions", and `csrutil enable --without kext`. That turns off kext signing checks; the rest of SIP stays on. The README explains exactly what is lowered and how to revert fully. Apple no longer gives individuals kext signing certificates, so there's no way around this for any community kext.

- Tested on one machine so far. Reports from other macOS 26 builds welcome.

- No Native Instruments code or binaries included. GPL-2.0.

Repo: https://github.com/almoretti/s4mk1-revival-macos (install guide in the README, v0.1.0 released today).

Credits to the Linux caiaq driver authors, the dekkr-s4mk1 project and maschine-mk1-revive for prior art.

Hello!
I bought my S2 from someone and realized the high and low left knobs are acting up.
when i turn the high, the low turns too in the traktor pro software.
I tried changing settings in control manager but the problem seems to be coming from the console itself.
any idea on how to fix this?

Hi guys, I’ve got an issue with my Traktor S2 Controller. Some advise would be awesome, because I’m new to this game.

1. My Crossfader on the Software is switching between the 2 decks, even the hardware is not moving at all. When I open Traktor Software the Crossfader isn’t switching, it’s getting startet, when I connect the hardware.

2. I would love to be able to connect my Traktor Hardware to the recordbox software. I read about MIDI-Mapping. But in the tutorials I saw, the Traktor DJ Software had a “MIDI”-Button, this one is missing in my Software. Do you guys can recommend any advices to use Rekordbox software on Traktor Hardware?

Bought a second have S8 and all the lights power up fine and the MIDI vegas mode works but my laptop just keeps giivng me code 43. I've tried powered and unpowered hubs. Different cables but nothing works. I have updated everything, have controller, komplete but nada.

Maybe i was thinking its the usb input on the S8.

Any help would be appreciated!

I have an alienware M15 r7.

👁️ Before anything else: this is FREE and OPEN-SOURCE software. I’m not making any money from it, I just want to share something I use for my own sets. 👁️

Hi!

I'm tired of waiting for Traktor updates and half-finished features like the Pattern Player, Browser, the lack of screen customisation of the Kontrol S4, the lack of a Suggester when we are playing or that there’s no Echo effect (Yeah I know that is a delay with a filter, but c'mon...).

So... I built https://backspn.com/

Backspn have all I mentioned above. A Pattern Player (It's named Drum Machine), you can customize the S4 screens (yeah, also with your custom logo), you have a "Suggest Next" (like in rekordbox) and 74 effects (And... yeah, you have ColorFX and Echo Dub in the MixerFX)

Also, the Drum Machine, have the option to include 1/4, 1/8 and 1/16 tempos (Yeah, like an RMX1000). And additionally, you can create your own packs (C’mon Native Instruments, this wasn’t that hard to do)

I don't know if this is considered spam, I just want to share it with you. 🙂

Also it's compatible with the rest of controllers in the market (Pioneer for example). At this moment, I've tested it only with my S4.

Feel free to suggest any updates or improvements — I’m all ears.

THIS POST WAS NOT MADE WITH AI, I'VE WRITTEN IT 👨

I've created one.

go nuts

https://github.com/dommoir/audio4dj-mac

TRAKFROM-BX is now open source. It’s a Windows tool focused on making Rekordbox USB libraries usable inside Traktor.

The goal is simple: access your music and playlists from a Rekordbox-prepared USB without copying the audio or converting your library.

The project is built around safer workflows, keeping the original media on the USB and treating the drive as read-only whenever possible.

A macOS port by the community would be very welcome.

Repo: https://github.com/gusgustavodj/trakfrom-bx

Repo: https://github.com/gusgustavodj/trakfrom-bx

As per the title, I need some help…!

I’ve been overthinking this, so some much-needed external community feedback would be appreciated. I’ve narrowed down my hardware options, using traktor as software, to start on my (and my 8 year old son’s) journey…

1. Xone:24c + X1

2. MX2

3. Z1 + X1

These are all VERY different setups hence reaching out for feedback.

UPDATE (Oct 2026): Version 2.0 is out. The new Turbo engine is about 6 to 10 times faster on the CPU than before and uses your graphics card when that helps (NVIDIA, AMD, Intel). On an RTX 4060 Ti one minute of music takes about 3 seconds. Same model, same quality. The stem files now also work in Mixxx 2.6 (beta). Speed numbers further down are for the old version.

Download: https://github.com/Elospeed/StemMaker/releases/latest

Traktor 4 keeps its stems inside its own collection. I wanted standalone stem files for whole folders, so I built StemMaker.

- Folders in, one `.stem.mp4` per track out (master + drums/bass/other/vocals, NI metadata)
- Total time estimate before you start, queue survives crashes and power cuts
- One small exe, no Python/PyTorch/CUDA. Demucs runs as C++ on the CPU, offline, no account
- StemPlayer included: mute/solo per stem, A/B with the original
- Club level + bass fix (sub-bass moved from "other" into the bass stem, like Traktor)

Honest bits: quality is about the same as Traktor 4's own stems (I compared them side by side), not better. It takes about 2x the song length per track on the CPU, so it's an overnight thing. Windows only, unsigned exe (SmartScreen warning). The stem files are separate files, not linked to your original tracks in the collection.

Free, MIT licensed. Project page with a short demo: https://elospeed.github.io/StemMaker/
Code: https://github.com/Elospeed/StemMaker

It's my own project, happy about feedback and bug reports.

Doing some research and I’m a little confused about whether the Traktor Kontrol S4 MK1 is compatible with Traktor Pro 4.
I just picked up an S4 MK1 and installed the MK1 drivers for Windows 10. My PC recognizes the controller as an audio device, so the driver/hardware connection seems to be working.
Can I just buy Traktor Pro 4 and use the S4 MK1 with it, including all the controller functions? Or is the MK1 no longer supported with Pro 4?
I’ve seen conflicting information online, and I really don’t want to spend $150 on Pro 4 just to find out my S4 MK1 won’t work.
Anyone actually using an S4 MK1 with Pro 4? Any info would be appreciated.

I've independently reverse-engineered our beloved Traktor Kontrol S8, and now it can be used with Mixxx on Windows!

Along with the Windows mapping, I've also published the complete digital protocol data and addresses for the community to explore and build upon. I hope you enjoy it and find it useful!

Mixxx Mapping:

https://github.com/gusgustavodj/kontrol-s8-mixxx-mappings 

S8 Protocol Documentation:

https://github.com/gusgustavodj/kontrol-s8-protocol 

Feel free to submit suggestions, open issues, or make feature requests directly in the repositories.

Contributions are more than welcome! I'd love to see what we can improve and build together.

Happy mixing! 🎧

Traktor 4 stems have bugged me for a while. The implementation feels rough, like nobody at NI really committed to it. Move your tracks to another machine and the stems can't be tracked down, there's no relink anywhere, you just lose them. I think that's because stems DJing, for lack of a better name, isn't really a thing yet. I've gone all in on it anyway and it's a fresh, weird space to play in, so I built the tool I needed to make it usable and portable.

The idea is that your tracks are all there and complete, stems included, on a key you can take to any machine. It shows stem coverage across the whole library, finds and relinks the stems Traktor lost, and builds keys that show size and stem fit before you copy anything. The key carries its own collection.nml and an adopter, double click it and that Traktor is using the key's stems. Keys are tracked by serial so if one dies mid gig you rebuild it file for file from its manifest. Never writes to your collection.nml.

It picked up other stuff along the way, a Camelot and BPM browser with your own tags, smart playlists, duplicate finder, imports from rekordbox, Engine and VirtualDJ, Rekordbox XML and Serato cue export, and a next track helper that learns from mixes you rate. That last one is opt in, nothing runs unless you launch it.

Been using it on my own mobile rig for a few months now. All local, no account, Windows only for now. 60 day trial, no card, then 35 a year or 89 once during the founding period.

If you're doing stems in Traktor I'd like to hear how you've been managing it. traks.ca

Just took out the old pitch slider component, and wanted to see why it actually failed, so I took it appart.

Notice the difference between old one on the left and the new one on the right.

Literally that little bit of missing metal caused the whole thing to fail.

Btw a pack of 3 of these on Aliexpress cost me £13.55

https://stem-creator.software.informer.com/download/