In 2021, BABY Audio turned the music production world on its head with the release of Smooth Operator. It quickly made a name for itself as one of the best spectral processors on the market, with the ability of replacing both EQs and compressors while also automatically reducing harsh resonant frequencies. It’s become a staple in the plugin arsenal of many producers out there.
And, now, they’ve done it again: Smooth Operator Pro, the long-awaited sequel, is out now.
In development for four years, Smooth Operator Pro is a massively upgraded edition that takes everything you know and love about the original plugin and does it better. Here’s what you need to know.
Pro-level Clarity in Seconds
Smooth Operator Pro isn’t just an update: it’s a full-scale reinvention. Built around an upgraded spectral processing engine, this plugin identifies and tames problematic frequency buildups before they ruin your mix. Whether you’re dealing with boomy low-mids, harsh resonances, or frequency masking, Smooth Operator Pro steps in automatically and ensures that every element in your mix shines.
The Pro edition also introduces surgical per-node controls and an all-new stereo imaging suite, allowing you to sculpt your mix with precision that rivals traditional EQ and compression workflows. Think of it as the Swiss Army knife of spectral processing, giving you complete control over your mix’s harmonic content.
Resonance Suppression, Reimagined
One of the biggest upgrades is, without question, resonance suppression 2.0. Unlike other spectral tools that apply broad settings across the entire signal, Smooth Operator Pro lets you customize dynamic profiles for each frequency node. This means that, when you’re running multiple spectral processes in one instance of the plugin, each node can be set to solve a specific problem without affecting the rest of your mix.
It may sound complicated, but even when adding more features to the suppressor, speed remains at the core of the plugin. Smooth Operator Pro keeps the intuitive, streamlined interface that made the original a fan favorite, and adds over 100 presets, all designed by professional producers, to get you instant results.

Compatible and Ready to Go
Smooth Operator Pro runs in all major DAWs on Mac and PC, including full support for Apple Silicon. Whether you’re producing, mixing, or mastering, this plugin is built to slot seamlessly into your workflow and deliver instantly clarity without any headaches. If you’re ready to experience next-gen spectral processing firsthand, this might just be the upgrade your mix has been waiting for.
Buy Smooth Operator Pro here.
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