How old can you hear?

Looking for interesting pre-amp designs I stumbled on a simple ‘ultrasone’ test at The results are reassuring as they tell me there is validity in my claim being born a young man in an old body.

My results:

The teen repellent will no longer fool you, but you can still hear some pretty high tones.

The highest pitched ultrasonic mosquito ringtone that you can hear is 16.7kHz

Find out which ultrasonic ringtones you can hear!

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