As an alternative, he could get two 600s, Crank them up to 11 on his first day while playing the 'spaceship emerging from the sidewalk' scene in War of the Worlds and then his neighbors will all be permanently deafened and they will never complain about noise again. Of course, you will need to protect your own ears during this plan so it doesn't backfire.

There might also be that risk of lawsuit thing but hey, I can't think of everything....

With great power comes Awesome irresponsibility.