GenerateFAQ
Tone Generator
Sine, square, triangle or sawtooth at any frequency, on either channel — the workhorse of audio testing.
ConsoleIdle
Frequency
440Hz
Channel
Wave shape
Waveform
01
Choose a frequency and wave shape.
02
Pick left, right or both channels.
03
Press start; adjust freely while it plays.
Tone Generator questions
- How do I use the Tone Generator?
- Choose a frequency and wave shape. Pick left, right or both channels. Press start; adjust freely while it plays.
- Is the Tone 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 440 Hz, 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. Tone Generator runs in any modern mobile or desktop browser — nothing to install.