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K669B Self-Troubleshooting & User Guide

Lola J. Strain avatar
Written by Lola J. Strain
Updated this week

⚠️Completing these checks first will help identify the issue more quickly and allow our support team to assist you more efficiently. When contacting email support, please include your test results.

1️⃣Is the microphone detected by your computer?

On Windows or macOS, check whether the device appears as “USB PnP Audio Device” or “FIFINE K669 Microphone”, or if it is listed as an Unknown Device.

2️⃣If the microphone is recognized:
Are you trying to hear live mic monitoring (playback) through your computer speakers or headphones?


3️⃣If the microphone is listed as an unknown device:

  • Have you tested the microphone on a different computer?

  • Have you tried updating or reinstalling the driver multiple times on the same computer?

Download the User's Guide here!

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