Patented BroadBeam Ring™ waveguide technology delivers a consistent dispersion pattern for maximum intelligibility and edge-to-edge coverage. A 66watt transformer and high output for the sound reinforcement and PA markets. One 8.0inch treated fiber driver and one compression driver with a 1.0inch exit mounted to a proprietary cast-aluminum baffle and heat sink. Rapid-installation, blind-mount, fixed-wing mounting mechanism with constant-tension design affixes to ceiling thicknesses ranging from 0.25inch (6.4mm) to 1.91inch (48.5mm). Easy access six-position selectable tap switch for 25-, 70.7- and 100volt applications with transformer bypass position. Separate tool-free magnetic grille and bezel assembly with integrated safety cable for ease of install and in-field painting. Average sensitivity of 93.0dB offers high-output capabilities and reduced amplification costs. UL 1480 (UEAY) and 2043 approved. Included accessories: Tile bridge, conduit plate, Euroblock connector and paint mask/installation aid.