Horizontal format switchable bi-amp/tri-amp three-way enclosure designed for fixed install applications. Contains an HF driver on a Polyhorn™ device, a 10" MF driver on a Polyhorn™ device and a Turbo-loaded 15" LF driver. Birch plywood construction, finished in black textured paint with perforated steel/reticulated foam grille. Speakon NL8 and NL4 sub-out connectors.