Revelation 1:15 Niv

Daniel 10:6 NIV
His body was like topaz, his face like lightning, his eyes like flaming torches, his arms and legs like the gleam of burnished bronze, and his voice like the sound of a multitude.

Ezekiel 43:2 NIV
and I saw the glory of the God of Israel coming from the east. His voice was like the roar of rushing waters, and the land was radiant with his glory.

Revelation 14:2 NIV
And I heard a sound from heaven like the roar of rushing waters and like a loud peal of thunder. The sound I heard was like that of harpists playing their harps.