NET

9 Now the king of Israel and King Jehoshaphat of Judah were sitting on their respective thrones, dressed in their royal robes, at the threshing floor at the entrance of the gate of Samaria. All the prophets were prophesying before them.

Darby

9 And the king of Israel and Jehoshaphat the king of Judah, having put on their robes, sat each on his throne; and they sat in an open place at the entrance of the gate of Samaria; and all the prophets prophesied before them.

KJV

9 And the king of Israel and Jehoshaphat king of Judah sat either of them on his throne, clothed in [their] robes, and they sat in a void place at the entering in of the gate of Samaria; and all the prophets prophesied before them.