01
Speaker and reference pitch testing
Choose sine, square, sawtooth, or triangle waves to check speaker response or tune against a reference pitch.
Tone Generator
A low-volume tone generator for speaker checks, reference pitches, and frequency testing.
High volume and high frequencies can damage hearing. Use low volume and short tests. This is not a medical hearing test.
Frequency
440 Hz
Note name
A4
Sweep
Learn more
02
Safe use
The default volume is intentionally low. Keep high-frequency tests brief and avoid loud playback.
Frequently asked questions
Can this diagnose hearing?
No. Room noise and device response vary too much for medical use. Treat it as a basic reference only.
Can it test left and right channels?
Yes. Choose left, right, or both channels.