One 8.0 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 galvanized steel cables and integrated SpeedClamp™ self-locking cable grip for fast, easy and secure installation. Also includes Euroblock 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 transformer bypass position simplifies ordering and inventory tracking. Steel grille with protective powder-coated finish for lasting durability. Average sensitivity of 89.5 dB offers high-output capabilities and reduced amplification costs. UL 1480 (UEAY), 2239 (hanging cable) and Milspec 810 approved.