Choose to let Windows find the latest verified version.
Use a tool like Windows Voice Recorder or Discord to ensure the input and output are working correctly. Troubleshooting Common MVSilicon B1 Issues
The only exception is the variant, which supports firmware updates via a dedicated SPI programmer.
After completing the "mvsilicon b1 usb audio software upd" process, confirm it worked:
: Fixes issues caused by sample rate mismatches or corrupt Windows registry endpoints.
are you using (Windows 10, 11, or Mac)?
Locate (or standard generic USB Audio Device ). Right-click the item and click Update driver .