'Large Crowd' in the Bible

After these things, I heard what sounded like the loud voice of a large crowd in heaven, saying, "Hallelujah! Salvation, glory, and power belong to our God.

Then I heard what sounded like the voice of a large crowd, like the sound of raging waters, and like the sound of powerful thunderclaps, saying, "Hallelujah! The Lord our God, the Almighty, is reigning.