Left-right headphone test
Play one channel at a time to identify reversed wiring, incorrect orientation, or an earcup that is silent.
FREE LEFT-RIGHT HEADPHONE CHECK
Headphone Test Online
Check left and right earcups, stereo balance, and basic bass, midrange, and treble playback before calls, gaming, editing, or everyday listening.
- Headphones and earbuds
- No app or extension
- Local audio playback
Test your headphones now
Choose a channel
Start at a comfortable system volume, then select Left, Both, or Right.
25%
Keep the system volume low before the first signal. Generated locally · No microphone access · No upload
KEY FEATURES
What this headphone test checks
Center balance check
Send the same signal to both ears. A strong pull to one side can indicate balance settings, fit, blockage, or driver differences.
Bass, mids, and treble
Compare short controlled tones across useful ranges without relying on a song whose mix you may not know.
Works without microphone access
This headphone test plays local browser audio only. It does not listen, record, upload, or request an input device.
WHAT IT IS
What is an online headphone test?
An online headphone test plays predictable stereo signals through the output selected by your computer or phone. The left-right test confirms channel orientation, the center check compares balance, and the frequency options help you notice obvious playback differences. Because each signal is controlled, the headphone test is easier to repeat than an unfamiliar song or video.
This page tests headphone output, not the microphone attached to a gaming headset. If you need to check a boom mic, input routing, mute switch, or voice recording, use the headset microphone test instead. If you need to check speakers and a microphone together before a meeting, use the combined speaker and microphone test.
The headphone test works with over-ear headphones, on-ear headphones, wired earbuds, USB headsets, Bluetooth headphones, and true wireless earbuds when they are selected as the active output. It cannot certify studio accuracy, calculate an audiogram, repair a driver, or diagnose hearing. Use it as a practical routing and comparison tool.
| Tool type | What it checks | When to use it |
|---|---|---|
| Headphone test | Checks output position, balance, and basic frequency playback in the earcups. | Use this page when one side is silent, reversed, weak, or sounds different. |
| Headset microphone test | Checks the input microphone, mute state, gain, routing, and recorded voice. | Use it when teammates or callers cannot hear the headset microphone. |
| Hearing test | A calibrated assessment intended to evaluate hearing thresholds. | This browser headphone test is not calibrated and is not medical advice. |
Supported devices and audio
- Wired over-ear and on-ear headphones
- 3.5 mm and USB gaming headsets
- Wired earbuds and earphones
- Bluetooth headphones and true wireless earbuds
- Laptop, desktop, phone, and tablet browsers
- Stereo WAV test signals created temporarily on this device
Related audio tools
HOW TO
How to run a headphone test online
Set a safe level, verify the left and right channels, then compare center balance and several controlled frequency ranges.
STEP 1
Connect and lower the volume
Select the intended headphones in system output settings, put them on with left and right oriented correctly, and lower the system volume before playing the first headphone test signal.
STEP 2
Verify the stereo channels
Select Left and listen only for the left earcup. Select Right and listen only for the right earcup. Use Both to confirm that the centered signal does not pull strongly to either side.
STEP 3
Compare frequency ranges
At the same comfortable volume, try the bass, midrange, treble, and short sweep options. Listen for obvious silence, buzzing, rattling, or a major left-right difference rather than chasing maximum loudness.
WHY CHOOSE THIS TOOL
A focused test with clear limits
01
Purpose-built for output
The headphone test focuses on what reaches your ears instead of mixing microphone permission and recording controls into the workflow.
02
Repeatable channel comparison
Left and right receive the same generated signal, making orientation and obvious level differences easier to identify.
03
Useful frequency choices
Bass, midrange, treble, and sweep options provide a broader check than a single notification sound.
04
Clear privacy boundary
No microphone, recording, account, extension, or upload is involved in the headphone test.
PRO TIPS
Get a more useful result
- Confirm the L and R markings before running the left-right headphone test. Reversed orientation can look like a wiring problem.
- Use the same volume for both earcups. Changing volume between channels removes the value of the comparison.
- Reseat wired plugs completely. A partially inserted 3.5 mm connector can remove one channel or make vocals sound hollow.
- Reconnect Bluetooth headphones if the wrong output profile is active or sound keeps returning to the laptop speakers.
- Compare a second pair of headphones before blaming the computer, adapter, USB port, or audio interface.
COMMON ERRORS AND LIMITS
Avoid misleading test results
Using an unsafe volume
Start quietly and stop if a tone feels uncomfortable. A headphone test should confirm function, not test pain tolerance or maximum loudness.
Confusing output and microphone tests
This page checks earcups only. A headset boom mic needs a separate microphone input and playback test.
Treating browser tones as lab measurements
Consumer devices and browser volume are not calibrated. The test can reveal obvious differences but cannot certify frequency response or hearing health.
USE CASES AND RECOMMENDED SETTINGS
Start with a repeatable test recipe
New headphones or earbuds
Chime · Left → Right → Both · 20–25% tool volume
Confirm channel orientation and basic balance before changing equalizer settings or judging sound quality.
Gaming headset setup
Left-right test, then midrange and treble · Fixed volume
Verify positional channels first, then use the separate headset microphone page to test the boom mic.
One earbud is quieter
Same midrange tone on each side · Both for center
Check earbud fit, debris, balance settings, battery level, and Bluetooth connection before assuming driver failure.
Editing or remote work
Chime, bass, mids, treble · Moderate fixed level
Run a quick headphone test before an edit, interview, or call so channel problems do not appear after work begins.
USB or audio interface check
Left-right, then sweep · Output selected explicitly
Confirm the interface is the active output and compare another port or cable if one channel remains silent.
FAQ
Headphone Test Online FAQ
How do I test my headphones online?
Select your headphones as the system output, lower the volume, and use this headphone test to play Left, Right, and Both. Then compare the bass, midrange, treble, and short sweep options at the same comfortable level.
Is the headphone test online and free?
Yes. The headphone test is free and runs in a current browser without an account, app, extension, or file download.
Why can I hear sound only on the left or right?
Check the plug, cable, Bluetooth connection, system balance, and physical L/R orientation. Replay the same channel signal and test another pair if possible.
What does the Both or center headphone test show?
It sends the same signal to both earcups. With normal fit and balance, the sound should appear centered rather than strongly pulled to one side.
Can I use this test with earbuds or earphones?
Yes. Wired earbuds, wireless earbuds, and earphones can use the same left-right and frequency checks when selected as the active output.
Can I test Bluetooth headphones?
Yes. Connect them first and confirm they are the system output. Wireless buffering may add delay, but left-right routing and basic tone playback can still be checked.
Does this headphone test check the headset microphone?
No. This page tests headphone output. Open the headset microphone test to check the boom mic, input device, mute state, level, and voice playback.
What does the frequency sweep test?
The short sweep steps through several low-to-high frequencies so you can notice obvious silence, buzzing, rattling, or a large difference between channels. It is not a calibrated response graph.
Why do my headphones sound unbalanced?
Possible causes include system balance, fit, earcup seal, debris, a loose plug, low earbud battery, Bluetooth connection, or a damaged driver. Compare another output and another pair before deciding.
Do I need to install a headphone test app?
No. The test sounds are generated locally by the browser, so no APK, desktop app, extension, or downloaded MP3 is required.
Is this a hearing or audiogram test?
No. The headphone test is not calibrated for hearing assessment and cannot diagnose hearing loss. Contact a qualified hearing professional for health concerns.
Does the page record or upload anything?
No. It only plays temporary stereo audio generated on this device. Microphone permission is not requested and no listening sample is uploaded.
Run one more headphone check
Return to the headphone test and compare Left, Right, Both, and the same frequency option at a safe fixed volume.
Run the headphone test