Definitely get one hooked up, and make sure it has clear sound to get good results. It makes a huge difference using voice compared to clicking buttons.
I don’t use the menus at all, nearly everything is voice with the window not visible. Feels so much more authentic.
I have the ‘fire action 1’ bound to my controls for the rare occasions my readback is not understood. After a couple of tries I just press the button to get the copilot to do the readback once.