Speaker & Headphone Tester
Test left and right channels, alternating audio, stereo movement, and a frequency sweep directly in your browser.
Speaker & Headphone Tester
Test left and right channels, alternating audio, stereo movement, and a frequency sweep directly in your browser.
About the speaker and headphone tester
Four guided listening checks
The workflow separates channel identity, rapid alternation, stereo movement, and frequency coverage into short steps. Each step pairs the generated tone with a visual cue, helping you compare what you hear with what the page is currently playing.
Start at a low system volume
Lower your computer or phone volume before playing a test, then raise it only as needed. The generated signal uses a conservative level, but the final loudness still depends on your operating system, amplifier, speakers, and headphones.
A listening aid, not an automatic diagnosis
Your normal, issue, or unsure choices summarize only what you noticed during this session. They do not prove a hardware defect or assess hearing. If something seems wrong, repeat the test at a safe volume and compare another cable, output, or device.
FAQ
Common questions and answers about this topic.
Does the speaker test record or upload audio?
No. The page generates tones locally with the Web Audio API. It does not request microphone permission, record audio, upload files, or save your observations.
Why should I lower the volume before starting?
Final loudness depends on system volume, amplifiers, and the sensitivity of your speakers or headphones. Starting low avoids unexpected loud playback, especially during the frequency sweep.
Does a missing frequency mean my headphones are broken?
Not necessarily. Perceived frequency range varies with equipment, fit, room noise, volume, age, and hearing. Repeat safely and compare another known device before drawing conclusions.
What should I check if left and right are reversed?
Confirm the headphones are worn in the correct orientation, then inspect cable connections, operating-system balance or channel settings, and any adapter or audio interface in the signal path.