19 to a trumpet blast or to such a voice speaking words that those who heard it begged that no further word be spoken to them,

Read Hebrews 12:19 Using Other Translations

And the sound of a trumpet, and the voice of words; which voice they that heard intreated that the word should not be spoken to them any more:
and the sound of a trumpet and a voice whose words made the hearers beg that no further messages be spoken to them.
For they heard an awesome trumpet blast and a voice so terrible that they begged God to stop speaking.