Aura vs FabFilter Pro-Q 4
Pro-Q 4 shows you what's loud. Aura shows you what's alive. Both are parametric EQs with honest spectral displays — they start from a different premise.
| Feature | Aura | FabFilter Pro-Q 4 |
|---|---|---|
| EQ bands | Up to 24 | Up to 24 |
| Filter slopes | 6–96 dB/oct | 6–96 dB/oct |
| Filter shapes | Bell, shelf, cut, notch, band-pass, tilt | Bell, shelf, cut, notch, band-pass, tilt, all-pass, flat tilt |
| Dynamic EQ | Yes — per-band, with translucent ribbon display | Yes — per-band, Spectral Dynamics |
| Mid/Side | Yes | Yes |
| Phase modes | Zero-latency (SVF) and Linear Phase | Zero-latency, Natural Phase, Linear Phase |
| Spectrum display | The aura — glows amber where the sound is alive, dim where it isn't | High-resolution pre/post spectrum analyzer; Spectrum Grab; Collision Detection |
| EQ Match | No | Yes — match the tonal balance of a reference |
| Surround / Atmos | No | Yes — up to 9.1.6 Dolby Atmos |
| Compressors | Yes — opto + FET in the same window | No |
| Resonance taming | Yes — dynamic, moves only when a harsh frequency spikes | Via Dynamic EQ (manual, not automatic) |
| Analog saturation | Yes — six character modes, parallel, multiband | Via Character (lighter, integrated) |
| Bus glue comp | Yes | No |
| Standalone app | Yes | No |
| Formats | VST3, Standalone | VST, VST3, AU, CLAP, AAX, AudioSuite |
| OS | Windows 10/11 (64-bit) | Windows and macOS |
| Copy protection | None — signed keyfile, no iLok, no account, no machine lock | No iLok — license key, 3-machine limit (deactivate to move) |
| Trial | 14 days, full feature set | 30-day full-feature trial |
Where they overlap
Both are parametric EQs with honest spectral displays. Pro-Q 4's analyzer is the industry standard for a reason: bright, accurate, and wide. It tells you where the energy in your signal is, in real time, with a resolution that earns its reputation. If a frequency is present, Pro-Q 4 will show you.
Aura matches the core EQ feature set — up to 24 bands, slopes from 6 to 96 dB/oct, per-band dynamic EQ, Mid/Side, and a Linear Phase mode. On the bread-and-butter job of carving a frequency curve, the two cover the same ground.
Where FabFilter Pro-Q 4 wins
Cross-platform work. If you move between Windows and macOS, send sessions to engineers on Mac, or work in Pro Tools (AAX), Aura does not exist on those platforms yet. Pro-Q 4 runs natively on both operating systems in every major format, including CLAP and AAX.
Atmos and immersive audio. Pro-Q 4 supports up to 9.1.6 Dolby Atmos with intelligent speaker selection. Aura does not. If you mix for immersive formats, Pro-Q 4 is the tool.
EQ Match and session-wide control. Pro-Q 4's EQ Match analyzes a reference track and automatically sets your EQ to match its tonal balance. The Instance List controls multiple Pro-Q 4, Pro-C 3, and Pro-DS instances from a single window. Aura has neither.
Trial length and ecosystem. Pro-Q 4 offers a 30-day trial against Aura's 14, plus a decade of reviews, tutorials, forum threads, and user familiarity. If you want the tool everyone already knows, that matters.
Where Aura is different
The aura itself. Pro-Q 4 shows you what is loud. The aura shows you what is alive — the held, sustained, in-tune body of a note, separated from the transient attack and the noise floor. Parts that glow amber are worth protecting; parts that stay dim are where you can cut freely. That framing either resonates with how you listen or it doesn't.
One window for a full channel strip. Aura stacks parametric EQ, opto compression, FET compression, dynamic resonance control, a de-esser, analog saturation, and a bus glue stage in a single plugin. Pro-Q 4 is an EQ. Both positions are legitimate — they are different tools for different habits.
The display is the DSP. Aura's EQ curve and the aura display are drawn from the same code that processes your audio. There is no separate display math. We found a 1.3 dB discrepancy in an earlier calculation and fixed it — then added a build test that fails if it ever returns. The picture cannot lie.
Who each is for
Pro-Q 4 is the more capable tool if you mix on macOS, work in Pro Tools, deliver for Dolby Atmos, or want the EQ with the deepest community knowledge behind it.
Aura is for the Windows-first engineer who wants a full channel strip around a genuinely different spectral display — and finds the price of Pro-Q 4 hard to justify for EQ alone.
Before you commit
Is Aura a FabFilter Pro-Q 4 alternative?
For a Windows-first workflow, yes — Aura covers the core parametric EQ job (up to 24 bands, dynamic EQ, Mid/Side, Linear Phase) and adds compression, resonance taming, and saturation in one window. It is not a like-for-like replacement: Pro-Q 4 has cross-platform support, Dolby Atmos, EQ Match, and a session-wide Instance List that Aura does not.
Does Aura run on macOS or in Pro Tools?
Not yet. Aura is Windows-only (VST3 + Standalone) right now, with no committed Mac or AAX date. If you work on macOS or in Pro Tools, Pro-Q 4 is the better fit.
Why is Aura cheaper than Pro-Q 4?
Aura is a Windows-first, indie, one-time purchase with no iLok and no machine-count limit. Pro-Q 4 carries cross-platform builds, immersive-audio support, and a mature ecosystem that command its price. If you don't need those, the gap is real.
Does Aura need iLok or an account?
No. Aura uses a signed keyfile tied to your name. Drop it in once and it runs offline on all your own machines — no activation server, no machine-count limit. Pro-Q 4 doesn't use iLok either, but its license is limited to three devices.
If you mix on macOS, work in Pro Tools, or deliver for Dolby Atmos, Pro-Q 4 is the more capable tool for your situation — and it has a decade of community knowledge behind it. If you work on Windows, want a full channel strip around a genuinely different spectral display, and find the price of Pro-Q 4 hard to justify for EQ alone, Aura is worth 14 days. The trial is the full plugin — nothing crippled.