GenerateFAQ
Ultrasonic Sound Generator
Generates tones from 15 kHz to 22 kHz. Most adults hear nothing above 17 kHz, but microphones and young ears will.
ConsoleIdle
Frequency
18000Hz
Channel
Wave shape
Waveform
01
Start at a low volume — this can be piercing.
02
Raise the frequency step by step.
03
Speakers vary; not all can reproduce these tones.
Ultrasonic Sound Generator questions
- How do I use the Ultrasonic Sound Generator?
- Start at a low volume — this can be piercing. Raise the frequency step by step. Speakers vary; not all can reproduce these tones.
- Is the Ultrasonic Sound Generator free?
- Yes. Every SpeakerTonic tool is free to use, with no account, no install and no limit on how often you run it.
- What frequency does it play?
- It holds a steady tone at 18 kHz, and you can change the frequency while it plays.
- Can this damage my speakers or headphones?
- Played at a sensible level it is safe. Start quiet and raise the volume gradually — sustained tones at maximum volume can stress any driver.
- Does it work on a phone?
- Yes. Ultrasonic Sound Generator runs in any modern mobile or desktop browser — nothing to install.