SystemEQ is a free, open-source system-wide parametric equalizer for macOS.
• 10/31-band EQ with vDSP biquad filters for ultra-low latency & CPU usage
• Built-in AutoEQ database with 8,665 headphone models (oratory1990, Crinacle)
• Real-time visualizer & room calibration tools
• 100% free (GPLv3), no subscriptions, no ads, no telemetry.
