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Best Resonance Suppressor Plugins

Close-up of an audio equalizer with text overlay: 'Best Resonance Suppressor Plugins

Unwanted resonances can muddy up your mix, make tracks sound harsh, and interfere with overall clarity. Whether you’re producing bass-heavy tracks or layering complex synth sounds, handling resonance is key to achieving a polished, professional sound. Luckily, resonance suppressor plugins are designed to identify and reduce problematic frequencies without dulling your mix. Here’s a look at the top free and paid resonance suppressors, plus how using high-quality sample packs or templates can help you avoid resonance issues from the start.


Free Resonance Suppressor Plugins 

1 TDR Nova
Tokyo Dawn Records’ TDR Nova is a dynamic EQ that doubles as a resonance suppressor. With a clean interface and precise controls, it’s ideal for pinpointing and taming harsh frequencies. The built-in dynamic processing helps to address resonances only when they become problematic, keeping your mix smooth.

Screenshot of TDR Nova plugin with multiple EQ bands and dynamic processing settings
TDR Nova’s dynamic EQ interface, offering precise control over resonant frequencies in your mix


2 Melda Production MEqualizer
This free EQ offers incredible versatility with a focus on controlling resonant peaks. Its six bands, adjustable harmonics, and spectral analysis make it a strong tool for suppressing unwanted resonances, especially in the mid to high frequencies.

Interface of Melda Production MEqualizer plugin showing six adjustable EQ bands
MEqualizer’s six-band control helps manage resonance in mid to high frequencies for a balanced mix



3 Wavegrove Vastaus
Vastaus is a unique free plugin designed specifically for resonance reduction. It automatically adjusts EQ bands to suppress problematic frequencies, allowing for a transparent and smooth sound. Vastaus is particularly useful for vocals and high-end synths that might have sharp resonances.

Wavegrove Vastaus plugin interface showing automatic resonance reduction features
Wavegrove Vastaus automatically reduces resonant peaks for a smoother mix, perfect for vocals and synths


Paid Resonance Suppressor Plugins


1 Soothe2 by Oeksound
Often called the industry standard in resonance suppression, Soothe2 excels at transparent resonance control, particularly on vocals and mid-high frequencies. It automatically detects problematic frequencies and subtly reduces them, perfect for smoothing harsh synths and percussion.

Screenshot of Soothe2 plugin by oeksound with dynamic frequency suppression display
Soothe2’s interface, showcasing its real-time frequency analysis and smooth suppression curves


2 Baby Audio Smooth Operator
Smooth Operator is designed to automatically tame harsh resonances in your mix, with an intuitive interface that allows for precise control over dynamic filtering. It’s great for managing resonant frequencies in vocals, guitars, or synths, and its real-time processing helps preserve the clarity of your mix.

Baby Audio Smooth Operator plugin interface with a visualizer for controlling resonant peaks
Smooth Operator’s minimal interface makes it easy to tame harsh frequencies without complex settings


3 Dove Acustica Audio
Dove is an advanced audio processor that simplifies complex adjustments, making them quick and accessible, regardless of your expertise. Inspired by the brain’s natural ability to adapt to audio environments, Dove utilizes sophisticated spectral processing to precisely manage each element within your mix, ensuring optimal placement and balance.
With Dove, you can refine your audio with unmatched precision, adjusting dynamic EQ bands down to 1/256 octave. This tool effectively eliminates overpowering tones, muddy bass, cluttered mids, and harsh highs, transforming your mix or recording effortlessly and efficiently.

Audio Acustica Dove minimal interface makes it easy to tame harsh frequencies without complex settings
Smooth Operator’s minimal interface makes it easy to tame harsh frequencies without complex settings


4 RESO by Mastering The Mix
RESO is a plugin specifically designed to remove harsh resonances that can build up in your tracks. It intelligently analyzes the audio and applies a transparent dynamic filter to eliminate problematic frequencies without affecting the overall tone of the sound.

RESO plugin interface from Mastering The Mix, showing automated resonance suppression controls
RESO’s intelligent frequency detection helps pinpoint and reduce resonances for a clear, balanced mix


5 iZotope Neutron 3
Neutron 3’s Sculptor module can be highly effective for resonance control. With machine learning to detect frequencies in real-time, it provides dynamic suppression to balance out resonances across a mix without heavy-handed processing.

Interface of iZotope Neutron 3 plugin with the Sculptor module, used for resonance suppression
Neutron 3’s Sculptor module provides AI-driven resonance control for precise mix balance


6 Waves F6 Floating-Band Dynamic EQ
Known for its value and versatility, Waves F6 allows frequency-specific control with dynamic suppression. It’s excellent for taming resonant frequencies across the spectrum and can even be sidechained for targeted resonance control.

Waves F6 lets you dynamically control problematic frequencies, ideal for tackling resonance issues
Waves F6 lets you dynamically control problematic frequencies, ideal for tackling resonance issues

Why Sample Packs and Templates Help

Quality sample packs and templates are crafted by experienced producers, so they’re optimized for balanced sound without excessive resonances. When you start with well-designed samples, you avoid needing to over-process, meaning fewer resonance issues to begin with. Templates can also guide you on best practices for sound layering and EQ, helping you learn how to avoid stacking resonant frequencies in your own productions. Using sample packs or templates alongside a resonance suppressor lets you produce cleaner mixes with less effort, making both tools essential for achieving a professional sound.

What is the best plugin for resonance suppression?

Soothe2 by Oeksound is considered the best resonance suppressor plugin in 2025. It uses real-time frequency detection and dynamic suppression to reduce harsh frequencies while preserving the natural sound, making it perfect for vocals, synths, and percussion.

What is the free plugin for resonance reduction?

TDR Nova by Tokyo Dawn Records is one of the top free plugins for resonance reduction. It’s a dynamic EQ with precision controls, perfect for taming problematic frequencies without affecting the tone of your mix.

What is a resonance suppressor?

A resonance suppressor is an audio plugin that automatically detects and reduces exaggerated or harsh frequencies in your tracks. It helps clean up your mix, reduce muddiness, and prevent ear fatigue while keeping your audio clean and polished.

How to reduce resonant frequency?

You can reduce resonant frequencies using plugins like Soothe2, TDR Nova, or Baby Audio Smooth Operator. These tools analyze your signal and apply dynamic EQ to target peaks only when needed, helping maintain a balanced mix.

Why do producers use sample packs and templates to avoid resonance?

High-quality sample packs and templates are carefully designed by professional producers to minimize problematic resonances. Starting with clean samples means fewer EQ fixes and faster workflow, helping you achieve a polished sound with less effort.