Revelation 10:3

And he cried with a loud voice, as when a lion roareth; and while he cried, seven thunders uttered their voices.

Revelation 4:5

And out of the throne go forth lightnings and voices and thunders; and seven lamps of fire burn before the throne, which are the seven Spirits of God.

Revelation 8:5

And the angel took the censer, and filled it with the fire of the altar, and threw it upon the earth, and there were thunderings, and lightnings, and voices, and an earthquake.

Revelation 14:2

And I heard a voice out of heaven, as the voice of many waters, and as a voice of a great thunder; and the voice which I heard was as of harpers harping on their harps.

Revelation 15:1

And I saw another sign in heaven great and wonderful, seven angels having the seven last plagues; for by them the wrath of God is fulfilled.

Revelation 15:7

And one of the four living creatures gave the seven angels seven golden phials full of the wrath of God, who liveth for ever.

Treasury of Scripture Knowledge

Summary

And cried with a loud voice, as when a lion roareth: and when he had cried, seven thunders uttered their voices.

Bible References

Seven

Revelation 8:5
And the angel took the censer, and filled it with the fire of the altar, and threw it upon the earth, and there were thunderings, and lightnings, and voices, and an earthquake.
Revelation 14:2
And I heard a voice out of heaven, as the voice of many waters, and as a voice of a great thunder; and the voice which I heard was as of harpers harping on their harps.
Revelation 15:1
And I saw another sign in heaven great and wonderful, seven angels having the seven last plagues; for by them the wrath of God is fulfilled.