And a voice came out of the throne, saying, Praise our God, all ye his servants, and ye that fear him, both small and great. (Rev. 19:5 KJV)
There are several views on the voice that came out of the throne. One possibility is it’s the voice of the glorified Christ speaking from his humanity. This would make sense because he uses the words “our God”. There is a time when the need of the son-ship (mediator) will end.
Fell Down and Worshipped
And the four and twenty elders and the four beasts fell down and worshipped God that sat on the throne, saying, Amen; Alleluia. (Rev. 19:4 KJV)
The 24 elders and the four beasts worship God in celebration of the victory over Babylon and the beast, and for avenging those that were martyred.
This parallels the scene in heaven before the Great Tribulation started.