TelephoneStuff.com Wheelock Series STH Cluster Speaker with Four STH-15SR.. STH-4MSR

Wheelock’s Series STH Cluster Speakers are designed for high ambient noise environments. The Cluster Speakers are available in multiple configurations. Provides high intelligibility voice reproduction and available high intensity visual alerting (STH-MSR models) for emergency alarm and protective signaling. Features: - Equipped with UL Standard 1480, STH-15SR horn loudspeakers - MSR models are equipped with a UL Standard 1638, DC-MAX-C Strobe - Each individual STH-15SR horn is capable of delivering up to 102 dB at 15 watts at 10 feet - Omni-directional sound - DC-MAX-C strobe has a 100 candela strobe at 60 double flashes per minute - Speakers and Strobes are prefabricated to a 10” x 10” x 6” steel enclosure for indoor use - Mounts to ceiling or wall - Labor savings – (both time and money) - Conduit knockouts for ½” or ¾” coupling - Shipped in one box