Loudspeaker enclosure system

A loudspeaker enclosure system consisting of at least four speakers with two large low or full audio frequency range speakers and two small full audio frequency range speakers having in total about half the active cone area as the large speakers employed, which are mounted in a dual chamber enclosure with one of the large speakers mounted within the enclosure on an internal baffle forming a partition for a large acoustic suspension or bass reflex chamber, with the other large speaker mounted in common direction thereto immediately in front thereof together with the two smaller speakers mounted adjacent and near thereto on a front baffle forming a small tympanic chamber of the enclosure by and with the two large speakers and one only of the small speakers being electrically connected to operate in common acoustic phase to each other with the other small speaker electrically connected to operate in opposing phase thereto.