Enter Hz
Type a value or choose a preset.
Direct Hz input
Hz Generator
Type an exact frequency into the hardware display. Use the Frequency Generator when you need sweeping and range testing.
Hz input deck
Direct numeric tuning, 20 Hz - 20 kHz
Ready
Waveform
Start near silent, then raise the volume slowly.
Quick Hz Presets
Pick one or type your ownHow to use it
Pick a waveform
Use sine unless you need a rougher tone.
Set volume low
Raise it only after the tone starts.
Play the tone
Use the same button to stop.
Playback safety
Keep volume low before pressing play. High Hz tones can become uncomfortable quickly, especially with headphones.
Popular Hz values
Specific values people commonly type into a direct Hz generator.
Bass check for speakers and headphones.
Concert A tuning reference.
Meditation and wellness tone.
Clear reference for level checks.
Brightness and clarity check.
Very high frequency test. Keep it quiet.
What does Hz mean?
Hz means cycles per second. In sound, higher Hz usually means higher pitch.
Rumble, sub bass, and low speaker movement.
Clear tones for pitch, tuning, and signal checks.
Bright, sharp tones for treble checks. Use low volume.