So each pod is loaded for a specific weight of the piece of equipment you are using them on. If one of the pods sits underneath the 10 lb transformer of a power amp the 3 other pods have to be adjusted to level that piece. If you are using under a Dac that weighs 10lbs you will have very little compression of the springs so they may be taller. So that being said budget 21/2 to 3 inches