Since Windows 11 does not have a single, universal "System-wide Equalizer" button, this guide covers the (for music apps) and the best methods to get a true system-wide EQ . How to Get and Use an Equalizer on Windows 11 Option 1: The Built-in "Hidden" EQ (For Headphones & Speakers) Windows 11 includes a basic graphic equalizer, but it is only visible if your sound card drivers support it (usually Realtek audio).