How can I know if the included boom arm fits my desk?
The maximum thickness that the C-clamp can handle is 2.1". Also, ensure that both the top of the C-clamp and the underside are resting on flat surfaces.
How to set it up through the USB or XLR ports?
The package comes with the type-C (microphone end) to type-a/c (computer end) audio cable. For a USB connection, you just need to take one end of the cable to the microphone, and the other end to your PC, laptop, Mac, or PlayStation console, or even mobiles through a USB adapter.
XLR cable is not included, either of the audio interfaces. Thus, in order to hook up the mic through XLR, you need an audio cable, as well as the device to receive and convert the analog signal, such as a mixer, an audio interface, or a recorder with XLR input.
How to Test the AM8PROT on Windows and Mac via USB?
Windows:
You have to go to the audio settings of the computer system to check if the "FIFINE Microphone" driver is successfully installed, if the level is turned up to a proper point, and if the meter moves when you talk to the mic.
Take a brief look and follow the video below (0:14-0:36):
After connecting the mic with your PC, open the "Sound Settings".
Choose the "FIFINE Microphone“ as the input device.
Go to "Sound Control Panel", choose "Recording", and pick "FIFINE Microphone" as the default.
Mac
You have to go to the audio settings of the computer system to check if the "FIFINE Microphone" driver is successfully installed, if the level is turned up to a proper point, and if the meter moves when you talk to the mic. Learn it after 0:54 in the video.
Right-click the Apple Logo icon at the top left of the screen and open "System Preferences".
Click “Sound”, choose “Fifine Microphone” as “Input” device.