His strength. Figure of speech Metonymy (of Subject), App-6. "Strength" put for the Ark, which was the sign of the presence of Jehovah, and the symbol of His strength. Compare Psalms 105:4 with Psalms 132:8, and see note on 1 Chronicles 13:3 and Exodus 25:22.
Related Commentaries of 1 Chronicles 16:11
1 Chronicles 16:11
11 Seek the LORD and his strength, seek his face continually.