Run this Windows microphone test in Edge, Chrome or Firefox. It reads the same audio stream Windows hands to Teams, Zoom and Discord, so the result reflects what those apps will hear.
Windows Microphone Test: step by step
- Choose your input
Use the device dropdown in the console. Windows commonly exposes several inputs — a webcam array, a headset, an interface — and only one of them is the one you mean.
- Start the test and speak
Watch for peaks between -24 dB and -6 dB. Below -42 dB is too quiet to be understood on a call; above -3 dB will distort.
- Cross-check in Sound settings
Right-click the speaker icon, open Sound settings, and confirm Windows shows the same device with the same activity.
- Set the input volume
In the device's properties, raise or lower the input volume until your normal speaking voice sits in the healthy range. Adjust here, not in the app.
- Record and listen
Use the Record panel to capture a sentence. Playback exposes hum, hiss, echo and keyboard noise that no meter can show you.
Windows microphone checklist
- Enhancements and effectsTurn off audio enhancements while testing. Noise gates in vendor software can cut the first word of every sentence.
- Privacy togglesSettings, Privacy, Microphone on Windows 10 or Privacy and security, Microphone on Windows 11. Both the system switch and the per-app switch must be on.
- Default deviceSound Control Panel, Recording tab. Right-click your microphone and choose Set as Default Device and Set as Default Communication Device.
- Exclusive mode conflictsIn the device Advanced properties, clear Allow applications to take exclusive control. This is the usual cause of a mic that works only in the first app to open it.
Why Windows keeps switching your microphone
Windows ranks input devices and promotes newly connected hardware automatically. Plugging in a webcam, a monitor with a built-in array, a USB headset or a capture card can silently change which device applications receive, with no notification of any kind.
Setting your preferred device as both Default Device and Default Communication Device in the Recording tab pins the choice. Unplugging inputs you never use removes the competition entirely, which is more reliable than fighting the ranking every time you reboot.
Questions people ask
Do I need admin rights?
No. The browser test needs nothing beyond microphone permission, which is why it works on locked-down work laptops.
Which browser is best?
Chrome, Edge and Firefox behave almost identically. Edge is convenient on Windows because it is already installed.
Can Windows test the mic without the internet?
Yes, through Sound settings and Voice Recorder. This page needs to load once, after which the test itself runs locally.
Does this test work on Windows 7 or 8?
Yes, as long as the browser is current. Older Internet Explorer builds cannot open a microphone at all.
Related tests
Carry on with: testing a headset mic, where Windows hides audio settings, or testing on Windows.
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