The iZotope Catalyst Series
Welcome to the Catalyst Series, a line of purpose-built, easy-to-use plugins that help you quickly solve difficult mix problems, letting you stay in your creative flow. Learn more about the series below and watch each plugin in action.

iZotope Aurora, Cascadia, Plasma, and now Velvet, are small, streamlined plugins that differ from the channel-strip layouts of Ozone, Neutron, and Nectar. These tools bring intelligent reverb, saturation, delay, and de-essing in the form of the Catalyst Series.

Aurora reverb plugin
Aurora is intelligent reverb for cleaner mixes. Using its state-of-the-art reverb engine and powerful Unmasking section, Aurora reacts to your audio to easily and dynamically unmask instruments and vocals, creating lush, three-dimensional space that won’t drown out your tracks.

Aurora features:

• Adaptive Unmasking
• Six reverb types
• Pre-Delay/Decay, width, and general tone settings
• Unmasking behavior and sensitivity controls
• High-pass and low-pass filters
• Delta and Bypass toggle buttons
• 60+ custom-built, professional presets
• Intuitive, easy-to-use interface

Cascadia delay plugin
Sculpt your space with beat-synced or time-based delays, ping-pong and reverse delay modes, vintage pitch drift, width control, and an adjustable unmasking section. Wave goodbye to long plugin chains and tedious routing. Find your flow fast with Cascadia’s intuitive controls.

Cascadia features:

• Adaptive unmasking
• Ping-pong and reverse delays
• Beat-synced and time-based delay
• Vintage pitch drift
• Width controls
• Adjustable unmasking
• 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 groundbreaking Flux Saturation technology analyzes your sound and applies dynamic processing, adding precise warmth, depth, and character to bring out the best in 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 Handles
• Delta and Bypass toggle buttons
• 49 custom-built, professional presets
• Intuitive, easy-to-use interface

Velvet de-esser plugin
Soften sibilance and dynamically shape tone with intelligently split Sibilance and Tonal channels. Instantly identify sibilant frequencies with Sibilance Learn, and precisely remove distracting mouth sounds, pops, and clicks with De-Click.

Velvet features:

• Intelligent De-essing
• Dynamic tone shaping
• De-Click
• 8 target profiles
• 50 pro presets
• Channel soloing
• Global Delta button
• Mix fader