No. The A1 is for HDMI audio extraction. The B1 update will corrupt the A1 device.
Look for packages named:
Struggling with the "MVSILICON B1 USB Audio" driver? You are not alone. mvsilicon b1 usb audio software upd
If you have recently purchased an affordable USB sound card, a virtual 7.1 channel headset adapter, or an external DAC dongle, you may have noticed a strange name appear in your Windows Device Manager: MVSILICON B1.
While these budget audio devices offer great value for money, users frequently search for the term "mvsilicon b1 usb audio software upd" because the default Windows drivers often cause crackling sounds, low volume, or complete device failure. The basic Windows USB Audio driver offloads processing
This article explains exactly what the MVSILICON B1 chip is, where to find the official software updater, how to fix driver conflicts, and how to unlock advanced features like EQ settings and virtual surround sound.
The basic Windows USB Audio driver offloads processing to your CPU. The proprietary MVSILICON driver enables hardware acceleration. Key insight: Without the "upd" (update), your expensive
Key insight: Without the "upd" (update), your expensive studio headphones sound like a walkie-talkie.
Would you like help extracting the current firmware version from your device, or finding a compatible generic driver?
Solution: Generic Chinese audio drivers sometimes use packed EXEs that trigger false positives. Upload the file to VirusTotal. If only 1-2 engines flag it (e.g., "Generic.Malware"), it is likely a false positive. Run only if you trust the source.