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Equaliser

equaliser.knage.net

Free plan macOS
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Spec score 7.6 #12 of 22 in Audio Equalizer Software

What it is

Equaliser is a system-wide audio equalizer for macOS that processes audio from every app automatically. It offers up to 64 parametric EQ bands, each with separate controls for frequency, gain, bandwidth or Q, and filter type. Compare Mode lets users hear adjusted settings against the original sound in real time, and 11 factory presets cover music, movies, and other uses. Listed specifications include a 1 Hz–22 kHz frequency range, sample rates up to 768 kHz, and 32-bit float processing. Equaliser can import filter settings from Room EQ Wizard; the project also supports EasyEffects import and exporting presets for sharing with Linux users. Processing happens locally, and the app says it does not record, store, or transmit audio or include analytics or telemetry. It is free and open source under GPL-3.0. The app requires macOS 15 (Sequoia) or later and an Apple Silicon Mac. It is not notarized by Apple, so macOS may require selecting Open Anyway in Privacy & Security settings.

Spec sheet

Purpose
Equaliser is a system-wide audio equalizer for macOS.Read 4 Oct 2026 · equaliser.knage.net
Integrations
Equaliser supports importing filter settings from Room EQ Wizard (REW).Read 4 Oct 2026 · equaliser.knage.net
Privacy
The README says audio processing happens locally and Equaliser does not record, store, or transmit audio or include analytics or telemetry.Read 4 Oct 2026 · github.com
License
The maker identifies Equaliser as free and open source under the GPL-3.0 license.Read 4 Oct 2026 · equaliser.knage.net
Audio routing
The README says a custom audio driver captures system audio and routes it through the app for processing.Read 4 Oct 2026 · github.com
Audio specifications
The site lists a frequency range of 1 Hz–22 kHz, sample rates up to 768 kHz, and 32-bit float processing.Read 4 Oct 2026 · equaliser.knage.net
Compare mode
Compare Mode lets users compare EQ settings with the original sound in real time.Read 4 Oct 2026 · equaliser.knage.net
Equalization
It provides up to 64 bands of parametric equalization, with independent frequency, gain, bandwidth/Q, and filter type controls for each band.Read 4 Oct 2026 · equaliser.knage.net
Microphone permission
The README says Equaliser requests microphone permission at launch because macOS requires an audio-input entitlement for a supported capture feature; its default shared-memory capture mode does not require microphone permission.Read 4 Oct 2026 · github.com
Notarization
The maker says the app is not notarized by Apple and may require users to select Open Anyway in macOS Privacy & Security settings.Read 4 Oct 2026 · equaliser.knage.net
Preset compatibility
The project README says Equaliser supports EasyEffects import and export to share presets with Linux users.Read 4 Oct 2026 · github.com
Presets
The app includes 11 factory presets for music, movies, and more.Read 4 Oct 2026 · equaliser.knage.net
Requirements
The app requires macOS 15 (Sequoia) or later and an Apple Silicon Mac.Read 4 Oct 2026 · github.com
System audio
Audio from every app passes through the equalizer automatically.Read 4 Oct 2026 · equaliser.knage.net

Plans and prices

Free Free Free forever · no ads · no tracking · no subscriptions Read 4 Oct 2026 · equaliser.knage.net

Every Equaliser plan and price →

Strong points and limits

Strong points

  • Up to 64 independently controlled EQ bands
  • Compare settings with original audio in real time
  • Free and open source under GPL-3.0
  • Local processing with no listed telemetry

Limits

  • Requires macOS 15 or later
  • Requires an Apple Silicon Mac
  • Not notarized by Apple

Who it suits

Equaliser suits Mac users who want system-wide parametric EQ and local audio processing, provided they have macOS 15 or later and Apple Silicon.

Verdict

Equaliser offers extensive system-wide EQ controls at no cost, with local processing and preset interchange. Its macOS and hardware requirements, along with the lack of Apple notarization, are important installation constraints.

Where Specifiction places it

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