In terms of sound:
* Listeners: If you're talking about people who are actively listening, the opposite is "listeners."
* Silence: If you're talking about the absence of sound, the opposite is "silence."
* Microphones: If you're talking about devices that capture sound, the opposite is "microphones."
* Receivers: If you're talking about the receiving end of an audio system, the opposite is "receivers."
In terms of communication:
* Writers: If you're talking about people who convey information through written words, the opposite is "writers."
* Readers: If you're talking about people who consume written information, the opposite is "readers."
In other contexts:
* Silence: If you're talking about something that is silent or lacks sound, the opposite is "silence."
* Listeners: If you're talking about something that is being listened to, the opposite is "listeners."
Please provide more context so I can give you a more precise opposite!