This is NUO-STEMS 4
The best STEMS for Traktor Pro 4 and DAW.
New algorithms. Better quality. Batch processing.
What's New in 4.0
NUO-STEMS 4 is an amazing improvement over NUO-STEMS 3. New algorithms, better quality, native Traktor Pro 4 integration, and more.
Highlights in 4.0
- New Algorithms – superior quality improved across all stemsDocs
- Native Traktor Pro 4 Integration – Create natively linked STEMS directly in your Traktor collection, just like Traktor's built-in stem featureDocs
- Three Modes – Native TP4, Legacy/Export, and DAW/Non-Traktor modes for different workflowsDocs
Quality Comparison
Higher SDR scores indicate better separation quality Learn more in Docs


Get Free Stems Pack
Subscribe to our newsletter and receive a free pack stems separated with NUO-STEMS 4.
Professional STEM separation for the modern DJ
Pricing
Perpetual License
One-time payment. Lifetime access for v4.
- All features included
- Full unlimited access to NUO-STEMS 4
- Free upgrade for v3 users (purchased after Nov 1, 2025)
- No monthly fees
Patreon Subscription
Flexible monthly access.
- All features included
- Full monthly access to NUO-STEMS 4
- Cancel anytime
- Support the developer
- Future updates included
Download
To make sure NUO-STEMS works well for you, we recommend installing NUO-STEMS 4 before purchasing. This way you'll be sure that the quality of stems separation and other features of NUO-STEMS 4 matches your needs.
Download NUO-STEMS 4
Get the demo version to test all features
Version: 4.0.0-beta.54 View changelog
M1/M2/M3 or later
macOS 10.15+
Intel Macs
macOS 10.15+
Windows 7+
NVIDIA GPU (4GB+ VRAM) recommended
Try it Out Demo Features Docs
Test using Legacy or DAW mode to verify quality
Buy 🎉
Click the "Demo" button in the top-right corner of the app. Once the purchase is complete, NUO-STEMS 4 will be automatically activated on your computer. Restart the app and start using the full version immediately
For Patreon subscribers: open NUO-STEMS 4 and go to Settings > Activation & License and link your Patreon email address there. It might take 5-10 minutes for Patreon to sync, so if you can't link the email address, check back in a few minutes.
Payment Methods
US Customers: Direct card payment is available for your convenience.
International Customers: All Visa/Mastercard/Diners/Amex payments are being processed via PayPal. PayPal can be used in guest mode, so no registration is required - you can complete your purchase quickly and securely without creating an account.
Still not convinced? Schedule a call with developer (DJ NUO)
How to Play with STEMS
Use STEMS with any controller
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