One 4 inch (102 mm) coaxial driver with BroadBeam Ring^TM technology for consistently smooth high frequency directivity. Includes hanging hardware with galvanized steel cables and hanging bracket for fast, easy and secure installation. Unit may be hung or mounted direct-to-conduit via locking cover plate. Enclosure constructed of injection molded ABS with glass fiber reinforcement for lasting durability in indoor or outdoor applications. 16 ohm impedance for easy daisy chaining in low voltage systems. Aluminum grille with protective powder coated finish. Built-in thermal fuse. Ceramic input terminal accepts up to 10 gauge plenum rated signal wire and includes thermal fuse. Suitable for use in voice alarm applications subject to EU regulations EN60849 and BS5839-8. Unit ships in eco-friendly, recyclable packaging. UL 1480 UEAY planned, UL 2239 approved. Included accessories: hanging hardware, weather plug, cover plate, AC-RSEZ-HH-10, and AC-RSEZ-HH-10.