FAQ - V.TOP AV202-B USB Audio Grabber Cannot Work on macOS Catalina
It's a pitty that Audacity cannot works on macOS Catalina due to macOS' significant updating. Now Audacity's latest version declares the fact on their software.
However the AV202-B Hardware is still supported by macOS Catalina with their QuickTime Player.
- Choose File > New Audio Recording.
- To change the recording settings, click the arrow next to the Record button. Then choose your microphone and recording quality.
- To monitor audio while it's being recorded, use the volume slider.
- Click the Record button to start recording. Click it again to stop recording.