How to Remove Static Noise From a Mic on Windows 10

To remove static noise from a mic on Windows 10, start by lowering Microphone Boost: open Sound settings, click your microphone’s Device properties > Additional device properties, and on the Levels tab set Microphone Boost to 0 dB or +10 dB. Then check the cable and port, turn on noise suppression if your driver offers it, and update the audio driver. Too much boost is the most common cause of hiss and static.

Windows 10 reached end of support on October 14, 2025. Consumer Extended Security Updates (ESU) now run until October 12, 2027. These steps also work in Windows 11.

Quick Answer

Settings > System > Sound > Input > Device properties > Additional device properties > Levels: set Microphone to about 75 and Microphone Boost to 0 dB.

Step 1: Lower Microphone Boost

1. Right-click the speaker icon in the taskbar and choose Open Sound settings.
2. Under Input, select your microphone and click Device properties.
3. Click Additional device properties.
4. On the Levels tab, set Microphone to 70–85 and drag Microphone Boost down to 0.0 dB. Try +10 dB if your voice becomes too quiet.
5. Click Apply.

Not every microphone shows a Boost slider. USB mics often have a gain knob on the mic itself instead; turn it down and move closer to the mic.

Step 2: Try Noise Suppression and Enhancements

1. In the same Properties window, open the Enhancements tab (on some PCs it’s called Advanced or has the audio maker’s name).
2. If you see Noise Suppression or Acoustic Echo Cancellation, check them and click Apply.
3. If the static started after enabling effects, check Disable all sound effects instead.

These options come from your audio driver, so what you see depends on the PC.

Step 3: Change the Sample Rate

1. Open the Advanced tab.
2. Under Default Format, try 2 channel, 16 bit, 48000 Hz, and test. If it’s no better, try 44100 Hz.
3. Uncheck Allow applications to take exclusive control of this device if an app keeps changing the settings.

Step 4: Check the Hardware

• Cable and port: Reseat the plug, try a different USB port (a rear port on a desktop), and avoid USB hubs.
• Electrical interference: Laptops can buzz while charging. Unplug the charger briefly to test, and keep the mic cable away from power cables and phones.
• Wireless headsets: Charge them and keep the receiver close. When a Bluetooth headset’s mic is in use, audio switches to a lower-quality mode that can sound hissy.
• Test another mic: If a different headset is clean, the original mic or its cable is the problem.

Step 5: Update or Reinstall the Audio Driver

1. Right-click Start and open Device Manager.
2. Expand Audio inputs and outputs (and Sound, video and game controllers).
3. Right-click your microphone or audio device and choose Update driver. If that doesn’t help, choose Uninstall device and restart; Windows reinstalls it.
4. For the best results, download the latest audio driver from your PC or motherboard maker’s support site.

Fixes at a Glance

Symptom	Most likely fix
Constant hiss	Lower Microphone Boost or gain
Buzz or hum	Unplug the charger, change ports, move away from power cables
Crackling or popping	Change sample rate, update the driver
Static only in one app	Check that app’s audio and noise suppression settings
Background noise, not static	Turn on noise suppression in the meeting or chat app

Use App-Level Noise Suppression

Meeting and chat apps such as Teams, Zoom, Google Meet, and Discord have their own noise suppression settings, which often clean up background noise better than Windows. Look in the app’s audio settings. If you also use speakers, loudness equalization can help even out playback volume.

Test Your Microphone

In the Properties window, open the Listen tab, check Listen to this device, and use headphones to hear yourself live. Uncheck it when you’re done. You can also record a short clip with the Voice Recorder app. For calls, see screen sharing on Windows for meeting setup tips.

Once your mic sounds clean, here’s how to record audio or your screen in Windows.

Bluetooth headset sounding low quality? See how to disable Hands-Free audio.

Frequently Asked Questions

Why does my mic have static only when I’m not talking?

It’s the noise floor becoming audible, usually from high boost or gain. Lower it and turn on noise suppression.

Can a bad USB port cause mic static?

Yes. Front-panel ports and unpowered hubs are common culprits. Try a rear port.

Does Windows 10 have built-in noise cancellation?

Only if your audio driver provides it on the Enhancements tab. Otherwise use the noise suppression in your meeting or recording app.

Summary

1. Lower Microphone Boost to 0–10 dB.
2. Turn on noise suppression if available.
3. Try a different sample rate and USB port.
4. Update or reinstall the audio driver.