Krotos Simple Concept
Simplified Synthesizer Virtual Instrument
Simple Concept is an interactive and easy to use soft-synth powered by Krotos’ Concept synth engine, wrapped into a compact interface. With a simple workflow and a user-friendly set of controls, Simple Concept lets you focus on your music.
Dial-in your sound quickly with our expertly pre-tuned controls and perform a range of basses, melodic leads, keys, pads, and FX.
Shape modulation and effects and choose from a diverse range of 80 presets. Use 'Tweak It' to instantly create endless preset variations with just a few clicks.
Simple Concept’s Oscilloscope gives you real-time visual feedback based on the master output of the plugin
Effortless, quick, and controllable, Simple Concept allows you to focus on what’s most important: your music.
- Flexible Macro System
- Simple 'Tweak It' Customisation System
- 80+ presets
- Audio Input for modulation (specific presets only)
- Oscilloscope visualizer
- ADSR Envelope
System Requirements
System Requirements
Mac
- 2.4 GHz Intel Dual Core Processor or better
- 4GB of RAM or more
- macOS 10.9.5 or later
- Graphic card capable of running OpenGL 3.3
Windows
- 2.4 GHz Intel Dual Core Processor or better
- 4GB of RAM or more
- Windows 10 1909 or above
- Graphics card capable of running OpenGL 3.3
Other Information
- This product comes with 2 activations
- Formats (64-bit only): VST, VST3, AU, AAX Native
- An internet connection is required at the time of activation
- Audio Input feature is not supported on FL Studio or Studio One
Supported Host Applications
- Ableton Live 10.1.14 and above
- FL Studio 20.7.1 and above (Windows Only)
- Reason 11.3d36 and above
- Pro Tools 11 and above
- Logic Pro X 10.4.6 and above
- Nuendo 10.2.20 or above
- Cubase 10.5.20 and above
- Reaper 6.11 and above
- Studio One 4.6.1 and above
(Please note that other versions of these hosts may work with the plugin, but we can only guarantee expected behavior on these systems, which have been tested extensively. We recommend trying a demo!)
Instant Delivery
Products with the Instant Delivery badge are in stock, and can be delivered to your email in seconds after you purchase.

Education Proof
Products with education pricing are for students & teachers only. To prove your education status we require that you upload proof in the form of an image/PDF.
Types of proof
StudentStudent ID Card, Letter of enrollment, or similar
Teacher/LecturerTeacher ID Card, Lecturer ID Card, Payslip, Letter from the school/college
Education proof is submitted to the manufacturer and is accepted at their discretion.
Digital Download Info
Digital Products are delivered electronically via Email. No physical product will be shipped to you!
In most cases, the product you purchase from us is a serial number/license code/activation code to register the product with the manufacturer and download directly from them. This ensures you receive the latest version of products, and the best support when neccessary.
The email you receive from us after purchase will contain the license code and a link to our Install Instructions page. You can visit that page by clicking here: Install Instructions.
Crossgrade Proof
This crossgrade is for owners of a competing DAW. To prove your DAW ownership, we require that you upload proof in the form of an image/PDF.
Types of proof
A copy of your purchase receipt for the original license or the most recent update/upgrade
A screenshot of your product registration
A photo of your package (either CD/DVD or printed manual), with the unique serial number included in the photo.
Get a free upgrade to RX10
This offer is valid until RX10's release.
Eligible Products
Purchase one of the following products:
- RX9 Standard
- RX9 Standard - Crossgrade from any paid iZotope product
- RX9 Standard - Upgrade from any RX Standard, Advanced, or Post Production Suite
- RX9 Standard - Upgrade from RX Elements/Plugin Pack
- RX9 Advanced
- RX9 Advanced - Crossgrade from any paid iZotope product
- RX9 Advanced - Upgrade from RX Advanced 1-8, or Post Production Suite 1-5
- RX9 Advanced - Upgrade from RX Standard 1-8
- RX9 Advanced - Upgrade from RX Elements/Plugin Pack
- RX Post Production Suite 6
- RX Post Production Suite 6 - Upgrade from RX Post Production Suite 1-5
- RX Post Production Suite 6 - Upgrade from RX Advanced 1-8
- RX Post Production Suite 6 - Upgrade from RX Standard 1-8
- RX Post Production Suite 6 - Upgrade from RX Post Production Suite 1-8
Exclusions
Only the upgrades and crossgrades specified above are eligible. All others listed apply to the full version of the product only. Education versions are not eligible.