How to Test Your Microphone in Zoom
Check your microphone in Zoom before a call: choose the right input device, run the built-in mic test, read the input level and fix common audio problems.
Zoom has a built-in microphone test that records a few seconds of your voice and plays it back. You can hear yourself before anyone else does. This guide covers the test in the desktop app's settings, the audio check offered when you join a meeting, and the controls available during a call.
Before you start
You need the Zoom desktop app or mobile app, a microphone, and speakers or headphones to hear the playback. The test in Audio settings runs inside the app on your device. Zoom's test meeting connects to Zoom's service, so it needs an internet connection. If it matters to you how test audio is processed or stored, check Zoom's current privacy documentation. Don't assume the clip never leaves your device.
- Connect your microphone or headset before you open Zoom, so it appears in the list of input devices.
- Allow microphone access for Zoom in your operating system. On Windows this is under Privacy & security, Microphone. On macOS it is under Privacy & Security, Microphone.
- Close other apps that may be using the microphone, such as another calling or recording program.
- Update Zoom if you can. Menu labels and audio options change between versions, so yours may not match this guide exactly.
Step-by-step instructions
Test from Zoom settings
- Open the Zoom desktop app and sign in.
- Open Settings. Depending on your version, this is the gear icon or an item in the menu under your profile picture.
- Select Audio in the left panel.
- Under Microphone, pick the input device you want to use from the drop-down list.
- Click Test Mic, speak normally for a few seconds, and wait for Zoom to play the recording back.
- Under Speaker, check that the output device is the one you are listening on. Use Test Speaker if the playback is silent.
The option to automatically adjust microphone volume lets Zoom set the input level for you. If your voice is too quiet or the volume keeps rising and falling, turn this option off. Then set the input volume slider by hand and run the test again. If your version has background noise suppression options, they change how your voice sounds in the playback. Write down the current setting before you change it so you can switch back.
Test before joining a meeting
When you join a meeting, Zoom may show an audio prompt with an option to test your speaker and microphone. This walks you through a speaker check and then a microphone check. It asks whether you hear a tone and then your own voice played back. If you answer no, you can try the next device in the list. Zoom also offers a test meeting, which you can find on its support pages. It lets you check audio and video with no other participants.
Test during a meeting
Click the small arrow next to the Mute button. This menu shows your selected microphone and speaker, and you can switch devices without leaving the call. It also has a speaker and microphone test and a link to Audio Settings, which opens the panel described above. Watch the input level bar while you talk. It should move when you speak and stay near the bottom when you are silent.
On phones and tablets, Zoom uses the device's microphone and has fewer audio settings. The Test Mic button may not be there. Make sure Zoom has microphone permission in the system settings, then join the test meeting to hear how you sound.
Check the output
The test has worked if three things are true: the input level moves when you speak, the playback contains your voice rather than silence, and you hear it through the output device you expect.
- Volume: your voice should be clear, and louder words should not crackle or distort. If they do, lower the input volume or move the microphone slightly further away.
- Background noise: listen during pauses for fans, keyboard clicks or electrical hum.
- Echo: a hollow or doubled sound often means your speakers are feeding back into the microphone. Headphones usually fix this.
- Correct device: speak close to the microphone you chose and listen for a clear difference. This confirms Zoom is not using another source, such as a laptop's built-in microphone.
The test shows what Zoom picks up from your microphone. In a live call, what others hear also depends on your network connection and on how Zoom processes audio. A clean test does not guarantee the same quality during a meeting. Sample rate and similar format settings belong to your operating system or audio driver. Change them only if your device's documentation tells you to.
Common problems and next steps
The microphone is missing or the level does not move
Check the operating system permission first, then reconnect the device and restart Zoom so it reloads the device list. Next, test the microphone in your system sound settings or another app. If it does not work there either, the cause is the hardware, the cable or the driver, not Zoom.
The test works but others cannot hear you
Check that you are not muted and that you joined with computer audio. If you skipped the audio prompt, you may have no audio connection at all. Open the menu next to the Mute button and confirm the selected microphone is the same one that passed the test. The meeting host may also have muted participants.
The microphone works elsewhere but not in Zoom
Another app may be holding the microphone. Close other calling and recording software, then try again. On Windows, a device's advanced properties can let one app take exclusive control of it. If you switch this off to test, note the original setting so you can restore it.
Your voice is quiet, distorted or noisy
Adjust the input volume by hand rather than relying on automatic adjustment. Move the microphone to a steady distance from your mouth, and reduce noise sources in the room. Change one setting at a time and run the test after each change, so you know which one helped.