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SIR Audio Tools SpectrumAnalyzer

SIR Audio Tools SpectrumAnalyzer is an audio plugin for examining spectral content and a mix’s frequency balance.

Place
#11 of 43
Score
6.6
SIR Audio Tools SpectrumAnalyzer's website

What SIR Audio Tools SpectrumAnalyzer is

SIR Audio Tools SpectrumAnalyzer is an audio plugin for examining spectral content and a mix’s frequency balance. It combines FFT analysis with an analog-style parallel band-pass IIR filter engine, and both can run at the same time. Users can work with multiple analyzer slots, take snapshots, freeze the display, and use peak detection. The analog band analyzer includes an RMS display; a VU meter and stereo correlation meter are also available. A separate analyzer slot can display the mid/side signal. Its auxiliary feature sends audio between SpectrumAnalyzer instances, provided the DAW runs them in the same process and memory space. The plugin is not a standalone program and must run inside a DAW, with Logic, Ableton Live, Cubase, and Pro Tools named as examples. Formats include VST, VST3, AU, and AAX for Windows and macOS. The listed requirements are Windows 11 or newer or macOS 10.13 or newer, 8 GB RAM, and 200 MB disk space. The free edition is free; the full version is $39, paid once. SIR Audio Tools is headquartered in Bielefeld, Germany.

Good

  • FFT and analog-style engines can run simultaneously.
  • Includes spectrum, VU, RMS, and stereo correlation displays.
  • Offers a separate mid/side analyzer slot.
  • Free edition available at no cost.

Watch out

  • Requires a DAW; it is not standalone.
  • Windows requirement is Windows 11 or newer.
  • Auxiliary audio requires instances in the same process and memory space.

Who it suits

It suits audio makers who want spectrum, level, and stereo-correlation views inside a compatible DAW. Choose it only if your operating system and host setup meet the listed requirements.

Verdict

SpectrumAnalyzer combines several analysis views and plugin formats, with both free and paid editions. Its DAW requirement and operating-system minimums are important fit checks.

Plans and prices

From SIR Audio Tools SpectrumAnalyzer's own pricing page, checked 8 Oct 2026.

All about pricing
PlanPriceWhat it gives you
SpectrumAnalyzer Free VersionFreeFree edition · Mac and Windows downloads
SpectrumAnalyzer Full Version$39, paid onceLicense key required · Mac and Windows downloads

The facts

Each one read from SIR Audio Tools SpectrumAnalyzer's own pages, with the date it was checked.

What it does

Analyzer engines
It includes FFT and analog style parallel band-pass IIR filter engines, which can be used at the same time.checked 8 Oct 2026
Auxiliary audio
Its auxiliary feature can send audio between SpectrumAnalyzer instances, subject to the DAW using the same process and memory space for those instances.checked 8 Oct 2026
Display and analysis
Features include multiple analyzer slots, snapshots, freeze, peak detection, RMS display for the analog band analyzer, a VU meter and stereo correlation meter.checked 8 Oct 2026
Host requirement
SpectrumAnalyzer is a plugin rather than a standalone program and must be used with a DAW; the maker names Logic, Ableton Live, Cubase and Pro Tools as examples.checked 8 Oct 2026
License use
A license owner may install the product on multiple devices belonging to them for their own use; simultaneous use by multiple users is expected to require additional license keys.checked 8 Oct 2026
Mid/side analysis
The plugin can display the spectral content of the mid/side signal in a separate analyzer slot.checked 8 Oct 2026
Operating systems
Downloads are offered for Windows and Mac; the listed requirements are Windows 11 or newer and Mac OS 10.13 or newer.checked 8 Oct 2026
Plugin formats
The product page lists VST, VST3, AU and AAX formats.checked 8 Oct 2026
Privacy and checkout
The maker says purchases are processed by Cleverbridge AG and that checkout data is governed by Cleverbridge’s privacy policy.checked 8 Oct 2026
Privacy controls
The privacy policy says analytics and advertising cookies are set only after consent, and describes GDPR rights including access, correction, deletion and portability.checked 8 Oct 2026
Purpose
SpectrumAnalyzer is an audio spectrum analyzer plugin for viewing spectral content and assessing a mix’s frequency balance.checked 8 Oct 2026
Support
The maker provides product manuals, downloads, license key recovery and email support at [email protected].checked 8 Oct 2026
System requirements
The maker lists 200 MB disk space and 8 GB RAM for both Mac and Windows.checked 8 Oct 2026

Where it runs

Apple Silicon
The support page says SpectrumAnalyzer runs natively on Apple Silicon M-series devices.checked 8 Oct 2026

The company

Headquarters
Bielefeld, Germanychecked 28 Sep 2026

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