The Klipsch PSM-450-T delivers professional-grade performance with innovative engineering designed for demanding commercial installations. Its patented Tractrix® Hyperfold Port™ extends bass response while minimizing port noise through a proprietary five-step folded design. IPX6-rated construction ensures waterproof reliability in indoor and outdoor environments. The 1" titanium compression driver with wide-dispersion phase plug provides crystal-clear high-frequency detail across expansive coverage areas. Multi-tap transformer compatibility supports 70V, 100V, or standard 8-ohm operation, adapting to virtually any installation requirement. Secure set screws lock the grille firmly in place, while the phoenix connector streamlines setup. Built for uncompromising sound quality and durability in commercial applications.