Yet he sent prophets to them, to bring them again unto the LORD; and they testified against them: but they would not give ear.
Yet he sent prophets - Elisha, Micah, Jehu son of Hanani, Jahaziel son of Zechariah (2 Chronicles 20:14), Eliezer son of Dodavah (2 Chronicles 20:37), lived and taught at that time. But all their prophetic warnings and denunciations were unheard and unheeded.