12000 Hz Tone
Continuous 12000 Hz reference tone — play instantly in your browser.
Fixed frequency: 12000 Hz (Ultrasonic edge test)
Download a 12000 Hz reference WAV (2 seconds, 44.1 kHz).
What this tool does
A 12000 Hz tone vibrates 12000 times per second. A 12 kHz tone near the upper edge of typical adult hearing. This page locks the frequency so you can listen, compare equipment, or export a WAV without adjusting sliders.
How to use it
Tap Play to unlock audio (required on mobile browsers). Start at low volume, especially with headphones. Switch waveform to hear how harmonics change timbre while the fundamental stays at 12000 Hz. Use Download WAV for an offline reference file.
Practical applications
12000 Hz is commonly used for speaker calibration, hearing checks, and audio system verification. Pair with our Speaker Test or Hearing Test tools for a fuller workflow.
Frequently asked questions
Is 12 kHz ultrasonic?
No. It is still audible to most people under 40, though sensitivity varies.
Safe for children?
Keep volume low. Children often hear high frequencies more sensitively.
Last updated: September 2025. Technical values (Hz) are locale-invariant.