Separate. Amps f quality just sound more realistic , he class D going into these systems are hypex or less and are ok , untill you hear a good amplifier . This is more about budget , look atYGacousticstheiractive system sounds very good
$50 K , non active $30k for the Speakers , for $20 k I will choose my own setup
i get it much less wires and nice and tidy ,call me old fashion ,I like my rack with
electronics of my choosing.