The word “take” often indicates movement away from the 'speaker', while “bring” indicates movement toward the 'speaker'.
She was invited to be a 'guest speaker' [=to give a speech] at the conference.
Senator Williams was the 'keynote speaker' at the convention.
(..) Sometimes you do. Freddie was so happy for me when I got this job at the bank. Toaster giveaways and Barry Manilow on the speakers all day. She thought it was such hot shit. What did she know? Big dummy. Stacy, did Fredrica ever mention a man named Jamie Gumb or a Jame Gumb? - How about John Grant? (..)1991 The Silence of the Lambs