Cannot get sound into Audacity

Audacity 2.3.3
macOS Catalina Version 10.15.4 (19E266)

I am unable to get sound into Audacity, even after trying everything suggested here:

Not sure what the issue could possibly be.

(Using Super USB Cassette Capture device)

Due to Catalina breaking compatibility for many audio applications (including Audacity), Audacity is unable to access audio input devices. To work around this issue, you need to launch Audacity from a Terminal window, and grant the Terminal “permission to access the microphone”.
See here for details:

The next version of Audacity resolves this problem so that Audacity can be launched normally.