Sytrus is a frequency modulation synthesizer for Windows that unites FM, ring modulation, and subtractive synthesis with an onboard effects section for a broad spectrum of sounds.

• Introduction
• Highlights
• Gallery
• System Specs
• How to Install
• Getting Up and Running
• Common Questions
• Support
• License

Sytrus for Windows is Image-Line's deep modulation synthesizer, built around six operators and a full modulation matrix. Long a staple of the FL Studio sound, this Sytrus FL Studio plugin loads as a VST synth in FL Studio and other compatible hosts, letting you move between crisp FM tones, metallic ring-modulated textures, and warm subtractive patches without switching instruments. For producers who enjoy shaping sound from first principles, the Sytrus synth is one of the most rewarding tools available.

• FM and ring modulation — Feed six operators through a modulation matrix to build harmonically rich frequency-modulated and ring-modulated tones.
• Subtractive stage — Classic filters and oscillator shaping let the same patch drift from digital to analog-style character.
• Per-operator depth — Individual envelopes, waveforms, and unison give every operator its own voice.

• Flexible modulation — Envelopes, LFOs, and mapping curves route to almost any parameter for living, evolving sounds.
• Built-in effects — Reverb, delay, chorus, and EQ finish patches inside the fl studio sytrus plugin, no extra inserts required.

Minimum

• OS: Windows 10 64-bit
• Processor: A modern 64-bit processor
• Memory: 4 GB RAM
• Storage: Room for the host DAW and the plugin

Recommended

• OS: Windows 11 64-bit
• Processor: A fast multi-core 64-bit processor
• Memory: 8 GB RAM or more
• Storage: An SSD with headroom for projects and samples

1. Click the Download button above to get the latest version of Sytrus.
2. Run the downloaded installer and follow the on-screen setup steps.
3. Load Sytrus as a VST instrument in your host and start building patches.

1. Insert Sytrus into a channel in FL Studio or a compatible host.
2. Step through the factory presets to learn the engine's range.
3. Open the operator matrix and reshape how the operators interact.
4. Add motion with LFOs and envelopes, then finish with the built-in effects.
5. Store your patch as a preset and use it across your projects.

Is Sytrus free? Sytrus is bundled with certain FL Studio editions and sold as a paid add-on for others. To try it first, use the FL Studio trial.

Which versions of Windows are supported? Sytrus for Windows supports current 64-bit versions of Windows, including Windows 10 and Windows 11, inside a compatible host.

How does Sytrus compare with Serum? Sytrus is an FM/RM and subtractive synth organized around operators, whereas Serum is a wavetable synth. Both are strong instruments, and the better fit comes down to whether you prefer FM-based or wavetable sound design.

For help with Sytrus, open the built-in Help or Support section inside the app, where you'll find documentation, troubleshooting tips, and contact options. You can also consult the official Sytrus website for the latest guides and support resources.

This project is licensed under the MIT License — you are free to use, copy, modify, and distribute it. The full MIT License text is provided in the LICENSE file included with the project.