God — This is meant literally of the ark: but mystically of Christ's ascension into heaven, as may be gathered by comparing this with Ephesians 4:8, where the like words uttered concerning the ark upon the same occasion, Psalms 68:18, are directly applied to Christ's ascension.
Related Commentaries of Psalms 47:5
Psalms 47:5
5 God is gone up with a shout, the LORD with the sound of a trumpet.