Revelation 10:3

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

Revelation 4:5

And out of the throne issued forth lightnings, and thunder, and loud voices; and seven lamps of fire burned before the throne, which are the seven spirits of God.

Revelation 8:5

And the angel took the censer, and filled it from the fire of the altar, and cast it upon the earth: and there were voices, and thunders, and lightnings, and an earthquake.

Revelation 14:2

And I heard a voice from heaven, as the sound of many waters, and as the roar of loud thunder; and I heard the sound of harpers harping on their harps:

Revelation 15:1

AND I saw another sign in the heaven, great and wonderful, seven angels having the seven last plagues because by them is the wrath of God completely executed.

Revelation 15:7

And one of the four living beings gave unto the seven angels seven golden vases full of the wrath of God, who liveth for ever 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 took the censer, and filled it from the fire of the altar, and cast it upon the earth: and there were voices, and thunders, and lightnings, and an earthquake.
Revelation 14:2
And I heard a voice from heaven, as the sound of many waters, and as the roar of loud thunder; and I heard the sound of harpers harping on their harps:
Revelation 15:1
AND I saw another sign in the heaven, great and wonderful, seven angels having the seven last plagues because by them is the wrath of God completely executed.