A loudspeaker system is provided that includes a speaker enclosure having a first opening and a second opening; a first speaker manifold mounted within the enclosure and including a first back wall, four first side walls, and an open first front side substantially in alignment with the first opening; a second speaker manifold mounted within the enclosure and including a second back wall, four second side walls, and an open second front side substantially in alignment with the second opening; a woofer mounted on a first wall of the first side walls; and an acoustic vent mounted in a second wall among the second side walls.