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SystemEQ for Mac

System-wide parametric equalizer with 10/31-band EQ, AutoEQ headphone presets, hearing calibration, and a real-time visualizer.

By denzam. Free and open source, GPL-3.0 licence.

Get it with OpenDMG View source on GitHub

SystemEQ at a glance

Version
1.4.3
Released
27 September 2026
Download size
11 MB
Works on
Apple silicon and Intel
Licence
GPL-3.0
Category
Audio and Music
Developer
denzam
GitHub stars
36

About SystemEQ

System-wide parametric equalizer for macOS 13+ — free, open source, GPLv3

Screenshots

SystemEQ screenshot 1SystemEQ screenshot 2SystemEQ screenshot 3SystemEQ screenshot 4

How to install SystemEQ on a Mac

  1. Get OpenDMG. It is a free app store for open source Mac apps. Download OpenDMG.
  2. Search for SystemEQ and press Get. OpenDMG downloads version 1.4.3 from denzam's own GitHub release.
  3. Open it. The download is checked against its SHA-256 fingerprint and its signature is checked on your Mac before it lands in Applications.

Updates to SystemEQ show up in OpenDMG and install with one button. No account is needed.

Prefer to do it by hand? The developer's file is on GitHub: SystemEQ-v1.4.3.dmg (11 MB).

What is new in SystemEQ 1.4.3

## SystemEQ for Mac v1.4.3

### Downloads
| Format | Size | Description |
|--------|------|-------------|
| 💿 `.dmg` | 11 MB | Recommended — drag to Applications |
| 📦 `.zip` | 11 MB | Alternative — unzip and move to Applications |

### Installation
1. Download `.dmg` file below
2. Open the DMG and drag **SystemEQ for Mac** to **Applications**
3. **First launch:** right-click the app → **Open** → confirm the Gatekeeper dialog
 (the app is ad-hoc signed but not notarized — Apple Developer ID is not used by this project)
4. Alternative: open Terminal and run
 `xattr -dr com.apple.quarantine "/Applications/SystemEQ for Mac.app"`
5. Or via Homebrew (quarantine flag handled automatically):
 ```
 brew trust denzam/systemeq
 brew install --cask denzam/systemeq/systemeq
 ```
 Homebrew 6.0+ refuses to load third-party taps until you trust them
 once per machine; on Homebrew 5 and older, skip the first line.

### Requirements
- macOS 13 (Ventura) or later (including macOS 14 Sonoma, macOS 15 Sequoia, and macOS 27)
- Apple Silicon or Intel Mac

---

## What's Changed in v1.4.3

Audio engine stability, device buffer adaptation, resampler boundary safety, and onboarding improvements.

### 🔊 Audio Engine & Stability
…

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