For parametric EQ, add blocks (e.g., Peak filter) and set frequency, gain, and Q-factor.
Note: Always lower your system volume before making large gain adjustments (+10 dB or more) to protect your hearing and equipment.
: During installation, the Configurator will open. Select the specific audio output devices (e.g., your headphones or speakers) you want to control.
Equalizer APO is a powerful, open-source designed to provide system-wide audio control on Windows . Unlike standard media player EQs, it operates at the driver level, meaning every sound—from YouTube videos to video games—is shaped by your custom settings. Why Use Equalizer APO?


