HEADPHONE TEST
Headphone Test Tone
Use controlled audio frequencies to check your headphones, stereo output and general frequency response directly in your browser.
AUDIO FREQUENCY
440 Hz
Ready
WaveformSmooth and pure
sine20 Hz – 20 kHz
Hz
20 Hz1 kHz10 kHz20 kHz
Quick frequenciesλ ∝ 1 / f
Frequency440 Hz
×
Visual wavelength180.0 px
1.00× longer wavelength than 440 Hz
Start audio only when you press play. Keep your device volume low before testing.
HEADPHONE CHECK
What to listen for
01
Both sides produce sound
Use a steady tone and confirm that your headphones produce audible output normally.
02
Left and right balance
Compare the perceived level between both sides when using your normal audio setup.
03
Different frequency ranges
Try low, middle and high frequencies to identify obvious changes in playback.