iZotope’s Aurora, Cascadia, Plasma, and now Velvet plug-ins are small, streamlined plug-ins that stand apart from the Ozone, Neutron, and Nectar channel strips. These tools provide intelligent reverb, saturation, delay, and de-essing in the form of the Catalyst series.
Aurora Reverb Plugin
Aurora is an intelligent reverb for cleaner mixes. Featuring an advanced reverb engine and a powerful demasking section, Aurora reacts to audio, easily and dynamically demasking instruments and vocals, creating a rich, three-dimensional space that doesn’t drown out your tracks.
Aurora Features
- Adaptive demasking
- Six reverb types
- Pre-delay/decay, width, and overall tone settings
- Demasking behavior and sensitivity controls
- High-pass and low-pass filters
- Delta filter and bypass switches
- Over 60 professional presets
- Intuitive, easy-to-use interface
Cascadia Delay Plugin
Create your own space with beat-synced and time-based delays, ping-pong and reverse modes, vintage pitch drift, width control, and a customizable unmasking section. Say goodbye to long plugin chains and tedious routing. Find your way quickly with Cascadia’s intuitive controls.
Cascadia Features
- Adaptive Demasking
- Ping Pong and Reverse Delays
- Beat-Synced and Time-Based Delay
- Classic Pitch Drift
- Width Control
- Custom Demasking
- Over 50 Professional Presets
Plasma Saturation Plugin
Give your tracks exactly what they need, exactly where and when they need it. Unlike traditional saturators that apply a static effect, Plasma’s revolutionary Flux Saturation technology analyzes the audio and applies dynamic processing, adding precise warmth, depth, and character to unlock the full potential of your mixes and masters.
Plasma Features
- Adaptive Flux Saturation technology
- 24 target profiles for mixing and mastering
- Attack, Release and Overdrive settings
- Mid/Side and Transient/Sustain channel modes
- Hi-pass and Low-pass frequency knobs
- Delta and Bypass toggle buttons
- 49 professional presets
- Intuitive and easy-to-use interface
Velvet De-Esser Plugin
Soften sibilance and dynamically shape tone with intelligent separation of Sibilance and Tonal channels. Instantly identify sibilance frequencies with Sibilance Learn and precisely remove distracting sounds, clicks, and crunches with De-Click.
Velvet Features
- Intelligent De-Essing
- Dynamic Tone Shaping
- De-Click
- 8 Target Profiles
- 50 Pro Presets
- Channel Solos
- Global Delta Button
- Mix Fader

- Download iZotope – Catalyst Series Bundle 2025.07.29 VST3, AAX x64 [07.29.2025](R2R)
- Original Publisher: iZotope
- Version: 2025.07.29
- Format: VST3, AAX
- Category: VST Plugins
- Require: Windows 10 (22H2)+
- License type: Full
- Download Size: 405.9 MB