Most people lose the ability to hear the highest frequencies as they age. Find your limit \u2014 it takes about 60 seconds.
Before you start
\u{1F3A7} Use headphones or earbuds for an accurate result \u2014 most laptop and phone speakers can't even produce the highest tones.
\u{1F50A} Set your volume to a comfortable, moderate level and don't turn it up to chase a tone. This is for fun, not a medical hearing test, and results depend heavily on your device and volume.
How this works: The test plays a pure sine tone and steps it up in frequency. The point where it goes silent for you is roughly your high-frequency limit. Human hearing tops out near 20,000 Hz in young people and gradually drops with age \u2014 a normal process called presbycusis. If a tone seems silent but you're unsure, it likely means you've reached your edge. Curious why ANC handles low rumble but not voices? That's the same frequency physics, explained in our ANC deep dive.