ZL Equalizer 2
by ZL Audio · EQ · Free dynamic EQ
Not rated yet
Open-source parametric equalizer with dynamic bands, mid/side and left/right processing. Version 2 was released as a free update in late 2025.
Best for: Mix Bus, Vocals, Mastering. Genres: all genres.
Keywords: dynamic, mid/side, open source, free, full mix, mastering, vocals, built-in analyzer, bus processing, FFT-based, match EQ, mix bus, mixing, sidechain input, visual feedback.
What it does
ZL Equalizer 2 is a free, open-source parametric EQ with per-band dynamics.
- Bands: up to 24, each with dynamic threshold, attack, release and knee, plus dynamic learning to set the threshold automatically.
- Filters: six filter structures, eight filter types and slopes up to 96 dB/oct.
- Stereo and phase: five stereo modes including mid/side, and Mixed, Matched and Zero Phase modes.
- Extras: side-chain filtering, a real-time spectrum analyzer with FFT freezing, and a customisable interface; EQ matching is in development.
When to use it
A capable free option for dynamic EQ jobs such as taming harsh vocal frequencies, controlling low-end build-up or mid/side mastering tweaks.
Where to buy
- Bedroom Producers Blog: Free
Tutorials and reviews
- ZL Equalizer 2: The Free FabFilter Pro-Q 3 Alternative (Full Review)
- ZL Equalizer 2: Free and Open-source Dynamic Equalizer Plugin
- 🎧ZL Equalizer 2🎧 -Revisión en Español- ¡GRATUITO!
- BEST Alternative Equalizer & Spectrum EQ from ZL Audio [FREE!]
- How I Use ZL EQ-2 in My Workflow - A Free Pro-Q-Style EQ Worth Trying
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