285 Hz Tone
Continuous 285 Hz reference tone — play instantly in your browser.
Fixed frequency: 285 Hz (Solfeggio reference)
Download a 285 Hz reference WAV (2 seconds, 44.1 kHz).
What this tool does
A 285 Hz tone vibrates 285 times per second. A mid-low Solfeggio reference tone for sustained listening. 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 285 Hz. Use Download WAV for an offline reference file.
Practical applications
Listeners use 285 Hz as a sustained reference within Solfeggio frequency lists. Musicians may compare it against standard 440 Hz tuning. No medical claims are made — treat this as an audio utility.
Frequently asked questions
Is 285 Hz scientifically proven to heal?
No peer-reviewed evidence supports medical benefits from listening to specific Hz values.
What waveform should I use?
Sine wave gives the purest tone. Square and sawtooth add harmonics for speaker testing.
Last updated: September 2025. Technical values (Hz) are locale-invariant.