How to Fix Echo, Feedback, or Background Noise in Microsoft Teams Meetings

Applies to: Microsoft Teams (Desktop App, New Teams), Windows 11, Windows 10
Article Type: Troubleshooting
Last Updated: 2026-06-18

Summary

If you or others hear echo, feedback, or excessive background noise during a Teams meeting, the problem is almost always caused by speakers feeding audio back into the microphone, incorrect noise suppression settings, or multiple devices in the same room. This article walks you through every user-level fix, ordered from fastest to most thorough.

Prerequisites

• Microsoft Teams desktop app installed and signed in.
• A headset, microphone, or speaker connected to your computer (built-in, USB, or Bluetooth).
• An active Teams meeting or the ability to use Make a test call in Teams Settings.

Instructions

1. Use a Headset Instead of Speakers — The Single Biggest Fix (30 Seconds)

The most common cause of echo in Teams meetings is speaker audio being picked up by the microphone. When you use laptop speakers and the built-in microphone at the same time, the microphone hears what the speakers are playing and sends it back to the other participants — creating an echo loop.

1. Plug in a headset (USB, 3.5mm, or Bluetooth) — any headset that combines speakers and a microphone in one device.
2. Open Microsoft Teams.
3. Click your profile picture in the top-right corner and select Settings.
4. Click Devices in the left sidebar.
5. Under Audio devices, select your headset for both Speaker and Microphone.
6. Click Make a test call to verify that both playback and recording work through the headset.

Verification: If the echo stops when you switch to a headset, the built-in speaker/mic combination was the cause. A headset physically isolates the audio path and eliminates feedback.

2. Adjust Teams Noise Suppression Settings (1 Minute)

Teams has a built-in noise suppression feature that filters out background sounds. If it is set too low or turned off, other participants will hear your keyboard, fan, breathing, and ambient noise.

1. Open Microsoft Teams.
2. Click your profile picture > Settings > Devices.
3. Scroll down to Noise suppression and select a level:
   • Auto (recommended) — Teams adjusts suppression dynamically based on your environment.
   • High — Aggressively filters all background noise. Best for noisy environments (open offices, cafés, home with children). May slightly affect voice quality.
   • Low — Light filtering. Best for quiet environments where you want the most natural voice quality.
   • Off — No filtering. All ambient sound passes through to other participants.
4. For most situations, Auto or High is the best choice. Switch to High if participants report hearing background noise.

Verification: During a test call or meeting, ask a colleague if the background noise has improved. If using High and your voice sounds muffled, switch to Auto for a balance between noise reduction and voice clarity.

3. Mute When Not Speaking (15 Seconds)

The simplest way to prevent your background noise from reaching others is to stay muted when you are not talking. This is especially important in open offices, shared spaces, or when using speakers instead of a headset.

1. During a Teams meeting, press Ctrl + Shift + M to toggle mute, or click the microphone icon in the meeting toolbar.
2. Unmute only when you need to speak, then mute again immediately after.
3. If your meeting has a large number of participants, the organizer can also enable hard mute (attendees cannot unmute themselves) to prevent accidental noise from multiple sources.

Verification: The microphone icon in the meeting toolbar shows a line through it when muted. This is an instant fix for background noise from your end.

4. Fix Echo Caused by Multiple Devices in the Same Room (2 Minutes)

If two people in the same physical room are both in the same Teams meeting on separate devices, the audio from one device is picked up by the other's microphone — creating a feedback loop.

1. Identify whether multiple laptops or phones in the same room are connected to the same meeting.
2. Decide on one audio source for the room:
   • Option A: One person keeps audio on, everyone else mutes both their speaker and microphone.
   • Option B: Connect a shared speakerphone (e.g., Jabra Speak, Poly Sync) and have all individuals in the room mute their personal devices.
   • Option C: Each person uses their own headset — this isolates each audio stream and prevents cross-contamination.
3. If you are in a conference room with a room system (e.g., Teams Room), join through the room system and turn off audio on your laptop entirely.

Verification: The echo stops when only one audio source is active in the room. If the echo returns when a specific person unmutes, their device is the source of the feedback.

5. Reduce Speaker Volume and Adjust Microphone Sensitivity (2 Minutes)

If you must use speakers instead of a headset, reducing the speaker volume minimizes how much audio the microphone picks up.

1. Lower the speaker volume on your computer to a comfortable but not loud level. Use the volume slider in the taskbar or the volume keys on your keyboard.
2. Open Settings (press Windows + I) > System > Sound.
3. Under Input, select your microphone and adjust the Input volume slider:
   • If others report echo — lower the input volume (try 60–70%).
   • If others report your voice is too quiet — raise it slightly, but avoid going above 90% as this amplifies background noise.
4. In the same Sound settings, click Volume mixer and verify that Microsoft Teams is not set to an unusually high volume compared to other apps.

Verification: Ask a colleague in the meeting whether the echo or noise has improved after the volume adjustments. Fine-tune as needed.

6. Check for Audio Device Conflicts (2 Minutes)

If your speaker and microphone are on different devices — for example, audio plays through external speakers but the microphone is the laptop's built-in mic — the microphone will pick up the speaker output and create echo.

1. Open Teams Settings > Devices.
2. Check that the Speaker and Microphone are set to the same device (e.g., both set to your USB headset, or both set to the laptop's built-in audio).
3. If you see a combined device name (e.g., "Jabra Evolve2 75" or "Poly Voyager Focus"), select it for both Speaker and Microphone. These devices are designed to work as a matched pair.
4. Avoid mixing devices — for example, do not use external speakers for output and the laptop mic for input.
5. If you have multiple audio devices connected (Bluetooth headset, USB headset, built-in speakers), disconnect the ones you are not using to prevent Teams from switching between them mid-call.

Verification: Both speaker and microphone show the same device (or matched pair) in Teams Settings. Run a test call to confirm clean audio.

7. Position Your Microphone Correctly (1 Minute)

Physical placement of your microphone relative to your speakers affects echo and noise pickup.

1. If using an external microphone, position it between you and your mouth — not between you and your speakers. The microphone should face you, not the room.
2. Keep the microphone 6–12 inches from your mouth for the best voice pickup without catching room echo.
3. Avoid placing your laptop on a hard desk surface directly in front of a wall — sound bounces off hard surfaces and creates a subtle echo.
4. If using the laptop's built-in microphone, angle the screen slightly to point the mic array toward your face rather than the ceiling.
5. For noisy environments, consider a headset with a boom microphone that sits close to your mouth — these reject ambient noise far better than laptop mics or desktop mics.

Verification: Ask a colleague to give you feedback on audio clarity before and after repositioning. Even small adjustments make a noticeable difference.

8. Adjust Audio Settings During a Live Meeting (30 Seconds)

You can change your audio device mid-meeting without leaving the call.

1. During the meeting, click the three dots (…) in the meeting toolbar.
2. Select Audio settings.
3. A panel opens showing your current Speaker, Microphone, and Noise suppression settings.
4. Change any setting — the change applies immediately without disconnecting you from the meeting.
5. This is useful if you connect a headset after the meeting has already started, or if you need to switch to a different device quickly.

Verification: The new device is active immediately. Other participants should notice the improvement within a few seconds.

9. When to Contact IT

Include three things in the ticket and IT can skip the guesswork: which headset or room system you were using, whether the echo happens in every meeting or only in one room, and the fact that you already set noise suppression to High.

Contact your IT helpdesk if:

• Echo or feedback persists after trying all methods above — the issue may be caused by a conference room audio system or a centrally managed Teams configuration.
• Your microphone picks up excessive noise even on High noise suppression — the microphone hardware may be faulty or poorly suited for your environment.
• Audio quality is poor across all applications (not only Teams) — this indicates a driver or hardware problem rather than a Teams-specific issue.
• Your organization uses Teams Rooms or managed conference hardware that you cannot configure yourself.

Troubleshooting

TIP

The fastest way to eliminate echo in any Teams meeting is to use a headset. If everyone in the meeting uses a headset, echo becomes virtually impossible because speaker audio never reaches a microphone. Keep a headset at your desk as your default meeting device.

Symptom / Error	Potential Cause	Solution
You hear your own voice echoed back	Another participant's speakers feeding into their mic	Ask the participant experiencing the issue to switch to a headset or mute when not speaking.
Others hear echo when you speak	Your speakers are too loud for your mic	Switch to a headset (Method 1) or lower speaker volume (Method 5).
High-pitched feedback squeal	Audio feedback loop between speaker and mic	Immediately mute your microphone. Switch to a headset to break the loop.
Background noise audible to others	Noise suppression set too low or off	Set noise suppression to High or Auto in Teams Settings > Devices (Method 2).
Echo only when a specific person joins	That person's device is causing the feedback	Ask them to use a headset or check their speaker/mic setup (Methods 1 and 6).
Echo in a conference room	Multiple devices active in the same room	Keep audio on one device only — mute all others (Method 4).
Robotic or garbled audio	Network bandwidth or device driver issue	Switch to a wired connection if on Wi-Fi. Restart Teams. If it persists, raise a ticket with the meeting date, time, and organizer so IT can pull the call quality report for it.

Related Articles

• How to Fix Audio Not Working in Microsoft Teams — Microphone and Speaker Troubleshooting
• How to Fix Audio or Video Not Working in Microsoft Teams
• How to Troubleshoot Audio and Sound Issues on Windows
• How to Fix Slow or Unresponsive Microsoft Teams — Performance Troubleshooting
• How to Set Up Background Effects in Teams
• Understanding Teams Meetings — Features, Roles, and Best Practices

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