13X Audio is giving away its parametric EQ plugin Aurora for free.
In this article we cover how to get Aurora and what the plugin can do.
What Is 13X Audio “Aurora”?
Aurora is a dynamic parametric EQ that lets you hand-draw up to 24 bands directly on a real-time spectrum. On top of per-band dynamics processing, cross-track unmasking and three phase modes, it packs an assistant feature called Smart Ops that handles tedious jobs in a single click. There is no account registration, no license key and no trial limitation – it is completely free.
Double-click anywhere on the spectrum to add a band, then drag the node to set frequency and gain, or scroll to change Q. There are 8 filter shapes and slopes from 6dB/oct up to 96dB/oct, plus a vertical brick-wall filter.
Key Features
- Dynamic parametric EQ with up to 24 bands on a live spectrum
- 8 filter shapes, slopes from 6 to 96dB/oct and a vertical brick-wall filter
- Every band can be switched from static to dynamic processing
- Per-band Peak/RMS sidechain detector with Threshold, Ratio, Knee and signed Range, so cuts or boosts only happen when the target frequency crosses the threshold
- Smart Ops handles reference spectrum matching, resonance detection and taming, de-essing, automatic filter placement and unmasking against another track (results are written onto the curve as normal editable bands instead of being hidden inside a macro)
- Each band can run in Stereo, Left, Right, Mid or Side mode
- Three processing modes: Zero Latency, Natural and Linear Phase
- Clean, Subtle and Warm character modes
How to Download and Install Aurora
Aurora can be downloaded directly from the official page. No account creation, no payment, no license key entry and no activation is required. Once downloaded, move the plugin files into a folder your DAW scans.
Windows
- VST folder: C:\Program Files\VSTPlugins
- VST3 folder: C:\Program Files\Common Files\VST3
macOS
- VST folder: Macintosh HD/Library/Audio/Plug-ins/VST/
- VST3 folder: Macintosh HD/Library/Audio/Plug-ins/VST3/
- AU folder: Macintosh HD/Library/Audio/Plug-ins/Components/
If you have been looking for a fully featured dynamic EQ without spending anything, Aurora is well worth grabbing while it is available.

