Revelation 10:3

With a great voice he shouted as a lion roars; and when he shouted, the seven thunders uttered their voices.

Revelation 4:5

From the throne issued lightning and voices and thunders. Seven blazing lamps were burning before the throne; these are the seven Spirits of God.

Revelation 8:5

Then the angel took the censer, and he filled it with fire from the altar, and poured it upon the earth; and there followed thunders and voices and lightnings and an earthquake.

Revelation 14:2

And I heard a voice from heaven like the voice of many waters, and the voice of a great thunder; and I heard the voice of harpers harping on their harps.

Revelation 15:1

And I beheld another sign in heaven, great and marvelous, seven angels with the seven last plagues; because with them the wrath of God is finished.

Revelation 15:7

And one of the four Living Creatures gave to the seven angels seven golden bowls, full of the wrath of God, who lives forever and 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
Then the angel took the censer, and he filled it with fire from the altar, and poured it upon the earth; and there followed thunders and voices and lightnings and an earthquake.
Revelation 14:2
And I heard a voice from heaven like the voice of many waters, and the voice of a great thunder; and I heard the voice of harpers harping on their harps.
Revelation 15:1
And I beheld another sign in heaven, great and marvelous, seven angels with the seven last plagues; because with them the wrath of God is finished.