How do I test my speakers online?
Lower your system volume, choose Left, Right, or Both, and listen for the generated tone. Then use Stereo, Mono, Bass, or Frequency modes for a more specific speaker channel test.
Test My Speaker
Online Speaker Test
Test your left, right, and stereo speakers online with Test My Speaker. Free, private, and no installation required.
Speaker test console
Generated locally with the Web Audio API
Signal
Idle
Lower your system volume before starting. Stop immediately if the sound feels uncomfortable.
440 Hz Idle
Did you hear it?
Your response is informational only; the site does not diagnose speaker hardware.
Interpreting the check
A clear signal, not an automatic diagnosis
This online speaker test helps you compare channels, stereo movement, mono playback, bass presets, and selected frequencies. What you hear can point to an output or connection issue, but the site cannot identify a hardware fault automatically.
Phones and tablets
Channel separation depends on the device model and its speaker layout.
Bluetooth devices
Confirm the intended headset or speaker is selected before testing.
Headphones
Wear them in the marked orientation for a reliable left-right check.
Speaker test FAQ
Common sound test questions
What is the difference between the left and right speaker test?
The left test routes a tone only to the left output channel, while the right test routes it only to the right. This helps confirm channel assignment and physical orientation.
What does the stereo test do?
The stereo test alternates a controlled tone between the left and right channels and shows the active side on screen. It checks stereo movement without accessing your microphone.
Why is there no sound?
Check the system and browser volume, mute state, selected output device, cable or Bluetooth connection, and whether another app has exclusive control of the device. Then stop and restart the test.
Can I test Bluetooth speakers or headphones?
Yes. Connect the device first, select it as the system output, and then run the left-right speaker test. Wireless processing can introduce a small delay, which is normal.
What volume is safe for a speaker test?
Start with a low system volume and increase only if necessary. Stop immediately if a tone is uncomfortable. This tool is not a hearing test and does not provide medical guidance.