1. According to the panel you provided, it is speculated that this machine should support wireless microphones. You should turn on the switch on the wireless microphone attached to the audio (note that the battery needs to be placed in the wireless microphone), and then speak into the microphone, so you should be able to connect directly without other equipment.
Secondly, seeing that the control panel of your stereo has the microphone priority function, you can test the function of this button. When you press it, the concert played in the stereo becomes smaller, while your voice remains the same. After pressing it, the music played in the stereo won't get smaller when you speak.
3. The solution that the wireless microphone of pull rod audio cannot be used:
4. First, check whether the battery in the wireless microphone is charged, and it is better to replace it with a new battery to check whether it is a battery problem.
5. Check whether the wireless microphone is damaged or dropped, broken or damaged; It is best to take a wireless microphone with the same frequency point and test whether there is any problem with the wireless microphone.
6. Check whether the switch on the wireless microphone is turned on.
7. If it is confirmed that there is nothing wrong with the above, it may be that there is something wrong with the wireless transmitter in the stereo and it needs maintenance.