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The Wheelock Series ET Vandal Resistant speakers and speaker strobes provide a full range of rugged, high performance combinations specifially designed to meet the critical needs of the life safety industry for voice and tone signaling. Available in compact, aesthetically pleasing package styles, each ET model covers both 25 and 70 volt audio systems, and has multiple wattage taps from 1/8 to 8 watts. Their high-efficiency design provides improved voice clarity and higher sound output for typical low frequency fire evacuation signal, such as the "slow whoop" and "temporal code-3".
Series ET80 Speaker Strobes are designed to meet the latest requirements of NFPA 72 (National Fire Alarm Code), ANSI 117.1 (American National Standard of Accessible and Usable Buildings and Facilities) and UL Standard 1971 (Standard for Signaling Devices for the Hearing Impaired) and UL Standard 1480 (Speakers for Fire Protective Signaling Systems).