SystemEQ for Mac · House #24,773

What it is

Calls itself “parametric equalizer”.

• Calls itself: parametric equalizer

“…parametric equalizer”

Where it puts itself

Claims “ultra-low latency”. Rules out “ads”, “subscriptions” and “telemetry”.

• Superlative claim: ultra-low latency
• Says it will not: ads · subscriptions · telemetry

“• 10/31-band EQ with vDSP biquad filters for ultra-low latency & CPU usage”

“• 100% free (GPLv3), no subscriptions, no ads, no telemetry.”

What it costs

A free tier, free forever. No monthly or yearly plan. No one-time option.

• One-time: no
• Monthly: no
• Yearly: no
• Free plan: free forever

“100% free (GPLv3), no subscriptions, no ads, no telemetry.”

“SystemEQ is a free, open-source system-wide parametric equalizer for macOS.”

Who it sells to

Sells to consumers. Available in 2 languages.

• Sells to: consumers
• Languages: English · Italian

“Free system-wide parametric audio EQ for macOS”

“🇬🇧 English | 🇺🇦 Українська | 🇮🇹 Italiano”

How it runs

A desktop app for macOS. Runs locally and works offline. Distributed through the Homebrew. Open source.

• Kind: desktop
• Runs on: macOS
• Runs where: on the device, offline
• Distributed via: Homebrew
• Open source: yes

“SystemEQ is a free, open-source system-wide parametric equalizer for macOS.”

“Free system-wide parametric audio EQ for macOS”

What it works with

Integrates with AutoEQ and BlackHole. Names Homebrew on its pages.

• Integrates with: AutoEQ · BlackHole
• Names: Homebrew

“AutoEQ Database — 8,665 headphone models, 8,850 presets (SQLite, 18 MB)”

“BlackHole 2ch (optional fallback for macOS 13–14.3 or manual BlackHole mode)”

What it offers as proof

Live, no waitlist. Claims “8,665 headphone models”. Try it without signing up. Publishes docs.

• Number claimed: 8,665 headphone models
• Trial asks for: nothing

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“100% free (GPLv3), no subscriptions, no ads, no telemetry.”