Right-click on and select Update driver .
: Since MVSilicon is a fabless IC designer, official firmware must usually be obtained directly from the product manufacturer (e.g., the mixer brand) rather than MVSilicon itself. Driver Signature Enforcement : In some cases, you may need to disable driver signature enforcement mvsilicon b1 usb audio software upd
Set the Default Format explicitly to or 2-channel equivalent. Right-click on and select Update driver
If you've purchased a compact USB sound card, external USB microphone, or even a specialized USB-C audio interface, you may have encountered the device name MVSILICON B1 Go to product viewer dialog for this item. external USB microphone