John 12:28-29

Father, glorify your name." Then a voice came out of heaven, "I have already glorified it and I will again glorify it."

Revelation 11:12

And they heard a loud voice from heaven say to them, "Come up here." And they went up to heaven in a cloud, and their enemies looked on as spectators.

Revelation 11:15

Then the seventh angel blew his trumpet, and loud voices were heard in heaven, saying, "The sovereignty of the world has come into the possession of our Lord and His Christ, and He will reign forever and ever."

Revelation 11:19

Then the doors of God's temple in heaven were thrown open, and inside the temple was seen the chest containing God's covenant, and there followed flashes of lightning, rumblings, peals of thunder, an earthquake and heavy hail.

Treasury of Scripture Knowledge

Summary

To him that rideth upon the heavens of heavens, which were of old; lo, he doth send out his voice, and that a mighty voice.

Bible References

His voice

John 12:28
Father, glorify your name." Then a voice came out of heaven, "I have already glorified it and I will again glorify it."
Revelation 11:12
And they heard a loud voice from heaven say to them, "Come up here." And they went up to heaven in a cloud, and their enemies looked on as spectators.