The prophet means such pipes as they were wont to use at funerals, and other sad occasions, to play doleful lessons upon; see Isaiah 15:5; because of the great change in the state of this poor people, which had got together a great deal of wealth, which is all perished.
Related Commentaries of Jeremiah 48:36
Jeremiah 48:36
36 Therefore mine heart shall sound for Moab like pipes, and mine heart shall sound like pipes for the men of Kirheres: because the riches that he hath gotten are perished.