🔥 New Release
SourceLab
The ultimate all-in-one virtual instrument featuring wavetable synthesis, sampler and loop slicer capabilities, midi sequencer, including 4 free expansion packs and a total of 2300+ presets.
$119
30% OFF
+25% Extra Discount for customers of any product
Compatible with all major DAWs
FL Studio
Ableton Live
Logic Pro
Pro Tools
Cubase
Studio One
Reason
Crafted For Excellence.
Our mission at Initial Audio is to empower creators. SourceLab features six independent sound sources, each capable of Wavetable, Sampler, or Loop Slicer modes.
With per-voice unison control, wavetable positioning, and release triggers, you have complete control over every sonic detail. From Skrillex-style wavetable synths to hyper-real multisample-based instruments.
Welcome to SourceLab
SourceLab is the ultimate audio sandbox. It delivers a massive library of high-quality instruments, loops, and wavetable synths, all powered by Zynaptiq's industry-leading ZTX time-stretch algorithm. Built around a high-performance, 6-layer hybrid engine, SourceLab combines deep sound design capabilities with a powerful multi-layer MIDI sequencer.
Unleash Professional Power
Hybrid Engine
6 sound sources, 24-voice unison, ZTX time-stretch, warp modes, FM. One-click morphing wavetables. Supports Sektor & Serum tables.
Modulation
14+ modulators, AHDSR, LFO, MSEGs. Drag & drop routing.
Granular
Density, pitch ±24 semitones, random options, dedicated Arp Mode.
Sequencing
6-layer sequencer, master lane, polyrhythms, Loop slice to MIDI drag-and-drop. Drag MIDI files directly to piano roll.
Effect Racks
6 insert racks + master rack. New Phaser effect, Compressor, Delay, Reverb.
Browser
Supports Initial Slice loops. Auto root-note detection. Tagging system.
First Steps in SourceLab
Master the basics. Our "First Steps" series covers everything you need to know to start designing sounds immediately.
Precision Engineered by Initial Audio
SourceLab isn’t your everyday plugin cobbled together from generic samples—it’s a state‑of‑the‑art hybrid modular virtual‑analog powerhouse, born from years of obsessive coding and sound‑design passion.
One-click generation of morphing wavetables. Supports Sektor & Serum tables.
Convert Loop Slicer markers to MIDI.
Automatic root note detection and mapping for multisample imports.
Load Initial Slice loops into Source layers with slice positions intact.
Per-voice unison control with individual wavetable positioning.
Note-triggering on key release for extra expressive dimension.
Self-contained preset files: No "missing sample" errors.
Emoji‑enabled preset names and drag‑and‑drop export of presets, MIDI and wavetables straight from the browser to your desktop.
Animated, audio‑reactive backgrounds driven by code (no GIFs!), plus customizable colors to match your workflow.
Fully Heat Up 3 Compatible
SourceLab comes with ~2,300 factory presets (1,300+ factory presets plus four free expansions, ~1,000 presets) right out of the box.
It is fully compatible with the entire Heat Up 3 library – giving you access to over 13,000 high-quality instruments across 61 libraries.
Load Heat Up 3 content directly into SourceLab and unlock powerful new possibilities with advanced modulation, granular tools, multi-layer sequencing, and custom routing.
Free Expansion Packs
Four Preset Banks, Free For Every SourceLab User.
A Platform That Evolves With You
With SourceLab, you’re not just getting a plugin – you’re joining a platform designed to grow with you. Create presets featuring synths, samples, loops, chords, arps, MIDIs, keyzones, layers, effects, and more.
Built for the Future
We’re dedicated to enhancing SourceLab with new content and features, driven by your feedback and the evolving landscape of music production.
Your Support Matters
Your involvement means the world to us. As a professional creator, your trust in SourceLab fuels our drive to deliver a tool that not only meets your expectations but exceeds them.
Latest Updates
We are constantly improving SourceLab. Here is what's new.
V1.6.0
- SFZ Support & UI Refinement
- Added SFZ support: You can now drag and drop .sfz files directly onto a Source or the Sample Mapper for professional multi-sample integration.
- Enhanced Visuals: Redesigned, better-looking knobs and various UI improvements for a more polished experience.
- Fixed Modulator displays now correctly redraw when first opening the UI.
- Fixed Resolved a crash that occurred when clicking the wavetable display with no sample loaded (a regression from v1.5.0).
- Minor bug fixes and performance optimizations.
Previous Updates
V1.5.0 - Source Page Redesign & Workflow
- Redesign of the Source page: The interface is now less cluttered, and the Sample Editor has its own dedicated tab with significantly more workspace.
- Direct Sample Import: Drag and drop samples directly onto a Source for faster layering.
- Improved Detection: Faster root note detection when loading unlabeled multi-samples.
- "Current" Preset Shortcut: Added a button to instantly navigate back to your active preset in the browser.
- Fixed SourceLab defaulting to the Factory library in the browser upon opening projects.
V1.4.0 - Sequencer Improvements
- Complete redesign of the sequencer: Made the layout more intuitive while being even more powerful.
- Added 'Arp Seq' mode and 'Midi Clip' mode to each sequencer.
- Copy and paste notes between piano roll and Arp sequencers with intelligent quantization.
- Added "Rebuild Content Database" button to the menu.
- Fixed Sequence and sample range components jumping during drag.
V1.3.0
- Removed the separate "Lab" tab. All main tabs are now at the top with new visual icons.
- Added option to hide Source controls from the browser.
- Fixed Expansion installation bugs for large files (4GB+).
V1.2.9
- Database is shared in real-time between open instances.
- Use MSG Envelopes like an LFO with the new speed multiplier.
- General stability improvements across all DAWs.
V1.2.8
(Watch Video)
- Drag and drop MIDI files directly onto the piano roll and export Loop Markers as MIDI.
- Added support for loading Initial Slice loops into a Source layer.
- Added Phase Invert option to all Sources.
Frequently Asked Questions
How do I install or update SourceLab?
To install, update, or uninstall SourceLab, simply run the official installer. If a newer version is available on the server, you will see an "Update" button within the installer.
How do I import expansion packs?
You can easily import SourceLab or Heat Up 3 expansion packs by dragging the downloaded
.slbank or .heatupExp file directly into the library section on the left side of the preset browser within the plugin.
How do I activate the full version?
Click the menu button (three stripes) at the top-left of the plugin and select "SourceLab Activation." Enter the email and password associated with your initialaudio.com account and click "Login."
Is it compatible with Heat Up 3?
Yes! SourceLab can load all Heat Up 3 libraries and expansion packs.
Pay Once, Own Forever
No subscriptions. No renting. Includes all future updates for free.
4 Free Expansions Included!
SourceLab License
Intro Price
$119.00
~$85 for any existing customer (25% Off)
Simply login to claim your extra discount at checkout.
✔ ~2,300 Presets Included + 4 Free Expansions
✔ Windows and Mac Compatible
✔ VST3, AU, AAX, Standalone
✔ Lifetime Free Updates
Try Free Demo.
Experience the power of SourceLab before you buy. Available for Windows and Mac.
Ready in minutes.
Easy to use all in one installer. Use the installer to download, update or uninstall SourceLab. The free demo allows you to try out all features and presets.
No registration required. Fully functional demo.
What Our Customers Say
Trusted by thousands of producers worldwide for quality and innovation.
“Yo, for real, SourceLab ain’t just a vibe—it’s a whole new playbook. When you stack it up against those other names—the old heads—SourceLab is the new King of the Digital Trap.”
“Heat Up 3 is Dope, Dope, Dope and that’s real. It’s been my goto for a couple of years now and that saying a lot.”
“amazing, i use this software religiously! absolutely fantastic quality, easy to use, and the sound selections are immense!”
“Heat Up 3 is one of those rare plugins that actually feels ready for today’s music, especially if you work in Hip Hop.”
“WOW!!!! Amazing what the guys at Intial audio came up with,its beyond words.You must see for yourself.”
