To dream of a microphone represents being more assertive or forceful with your beliefs, opinions, or wishes. A stronger attempt to make views known. Making an effort to make an issue more important to address or discuss. Voicing opinions more strongly. Feeling that it’s important to be listened to about an issue.
To dream of a hidden microphones may reflect heightened sensitivity about your honest private thoughts or feelings being heard by others. Concerns about losing your privacy.
Negatively, dreaming about a microphone may reflect feelings of embarrassment that a lack of discretion is being used for an area of your private life. Embarrassment that someone is publicly talking about you.
Example: A woman dreamed of suspecting that there were hidden microphones all throughout her house. In waking life she was living in Nazi Germany and was having anxiety about her private honest thoughts being discovered by the government.
Example 2: A man dreamed of speaking into a microphone and asking a question. In waking life the question he asked in the dream was very important to him and he felt he was being ignored when asking it to someone he felt knew the answer. He felt he has to be more assertive about asking the question.