Siri overall still needs improving in terms of understanding vocal commands and finding relevant results. But Siri for macOS will be a helpful UI tool.
More on Siri’s settings
Back to Siri’s settings to cover the other adjustments you can make.
Language: The default is English, but you can change it to another language.
Voice: Everyone is familiar with the female American Siri voice, but you can change it to a male American voice, a male of female British or Australian voice, or a female "Ireland" or "South Africa" voice.
Voice Feedback: With this setting on, Siri will always provide a voice response to your query.
Mic input: If you have external microphones, you can use this setting to select it.
If you click About Siri and Privacy, you get the following window.
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