2025 年視訊通話最佳麥克風

A clear microphone makes you sound smarter in meetings: and a bad mic makes everything you say sound less credible regardless of what you're saying. This guide covers what to look for in a video call mic and recommends specific picks at every budget.

What Makes a Good Video Call Microphone?

Three qualities matter most for video calls: clarity (your voice is intelligible), consistency (volume doesn't fluctuate), and noise rejection (background sounds are minimized). Studio-quality frequency response and ultra-low noise floor matter less here than for recording music.

A cardioid pickup pattern is best for calls: it captures sound directly in front of the mic and rejects sound from the sides and behind. Omnidirectional patterns pick up everything including AC noise and keyboard clicks.

Before buying, test your current mic and see how it actually sounds:

Built-in vs Headset vs USB Desk Mic

Built-in laptop microphones are convenient but mediocre. They sit far from your mouth, pick up keyboard noise, and have limited frequency response. Acceptable for casual calls; underwhelming for important ones.

Headset microphones (gaming or office headsets) sit close to your mouth, providing clear voice and consistent volume. They're cheap and effective. The downside: you have to wear them, and budget models pick up breathing noise.

USB desk microphones offer the best quality and most professional look (especially with video). The mic sits on your desk or boom arm pointed at your mouth, capturing clean audio without anything strapped to your head.

Top Picks by Budget

$0: Use What You Have

Your existing webcam or laptop mic is fine for most calls. Spend the budget on a quiet room and good lighting first. Apply Zoom's built-in noise suppression at "Auto" or "Low".

$30–80: Headset or Budget USB

Logitech H390 USB Headset (~$30): plug-and-play, clear voice, comfortable for long calls.

Fifine K669B USB mic (~$35): a real cardioid desk mic with surprising quality for the price.

JLab Talk Go (~$50): USB desk mic with multiple polar patterns; the best sub-$100 option for most users.

$80–200: Pro Quality

Blue Yeti Nano (~$100): the classic USB desk mic, smaller than the original Yeti and easier to position.

Shure MV7 (~$180): broadcast-quality, dual USB+XLR, used by countless podcasters. The best video-call mic short of a full XLR setup.

Microphone Settings for Zoom and Teams

In Zoom: Settings → Audio → Microphone. Set the input volume so your normal speaking voice peaks around the middle of the green zone in the indicator. Turn on "Original sound for musicians" only if you're actually playing music; for normal calls keep it off so Zoom's noise suppression can work.

In Microsoft Teams: Settings → Devices → Microphone. Teams shows a live input level: adjust your system mic boost in Windows Sound Settings to land in the middle of the meter.

Background Noise Reduction Tips

Move closer to the mic: within 6 inches if possible. The closer you are, the better the voice-to-noise ratio without needing software help.

Turn off fans and AC during important calls if possible. Both Zoom and Teams suppress steady-state noise reasonably well, but absent background noise always beats suppressed background noise.

Use a pop filter or windscreen on USB mics to reduce plosives (popping "P" and "B" sounds) and breath noise. They're $5–10 and dramatically improve audio quality.