KJV:
And after these things I heard a great voice of much people in heaven, saying, Alleluia; Salvation, and glory, and honour, and power, unto the Lord our God:
NASB:
After these things I heard something like a loud voice of a great multitude in heaven, saying, "Hallelujah! Salvation and glory and power belong to our God;
KJV:
And I heard as it were the voice of a great multitude, and as the voice of many waters, and as the voice of mighty thunderings, saying, Alleluia: for the Lord God omnipotent reigneth.
NASB:
Then I heard something like the voice of a great multitude and like the sound of many waters and like the sound of mighty peals of thunder, saying, "Hallelujah! For the Lord our God, the Almighty, reigns.