One 5.25 inch polypropylene woofer and one 1.0 inch convex titanium tweeter with FerroFluid cooling mounted to a proprietary cast-aluminum baffle and heat sink. Includes UL listed hanging hardware with cables and integrated SpeedClamp™ self-locking wire grip for fast, easy and secure installation. Also includes Euro-block connector and terminal weather boot. Patented ZeroReflection™ enclosure technology for optimal sound reproduction and cabinet rigidity. Easy-access, six-position selectable tap switch for 25-, 70.7- and 100-volt applications with a transformer bypass position simplifies ordering and inventory tracking. Plated steel grille with protective powder-coated finish for lasting durability. Average senitivity 86.5 dB offers high-output capabilities and reduced amplification costs. UL 1480 (UEAY), CE and Milspec 810 approved.