Revelation 10:3

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

Revelation 4:5

And out of the throne proceed lightnings and voices and thunderings; and there were seven lamps of fire burning before the throne, which are the seven Spirits of God;

Revelation 8:5

And the angel has taken the censer; and he filled it with the fire of the altar, and cast it to the earth; and there followed thunders, and voices, and lightnings, and an earthquake.

Revelation 14:2

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

Revelation 15:1

And I saw another sign in Heaven, great and marvelous, seven angels having seven plagues, the last, because in them was finished the wrath of God.

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 liveth 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
And the angel has taken the censer; and he filled it with the fire of the altar, and cast it to the earth; and there followed thunders, and voices, and lightnings, and an earthquake.
Revelation 14:2
And I heard a voice out of Heaven, as a voice of many waters, and as a voice of great thunder; and the voice which I heard was as that of harpers, harping with their harps.
Revelation 15:1
And I saw another sign in Heaven, great and marvelous, seven angels having seven plagues, the last, because in them was finished the wrath of God.