Revelation 19:1

After this I heard a sound like the roar of a great multitude in heaven, shouting: “Hallelujah! Salvation and glory and power belong to our God!

Note Hallelujah is a transliteration of the Hebrew Hallelu YAH, meaning Praise the Lord; also in verses 3, 4, and 6.

BSB · Berean Standard Bible
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:
KJV · King James Version
After these things I heard something like a loud voice of a great multitude in heaven, saying, “Hallelujah! Salvation, power, and glory belong to our God;
WEB · World English Bible
After these things I heard as it were a great voice of a great multitude in heaven, saying, Hallelujah; Salvation, and glory, and power, belong to our God:
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

after
Revelation 18:1–24
I heard
Revelation 11:15; Revelation 18:20
Alleluia
Revelation 19:3, 4, 6; Psalm 106:1; Psalm 111:1; Psalm 115:18; Psalm 146:1; Psalm 148:1; Psalm 149:1; Psalm 150:1
Salvation
Revelation 4:10, 11; Revelation 5:9–13; Revelation 7:10–12; Revelation 11:15; Revelation 12:10; 1 Chronicles 29:11; Psalm 3:8; Jonah 2:9; Matthew 6:13; 1 Timothy 1:16, 17