Features • Ideal for outdoor warning • Vertical support structures for 2 to 6 re-entrant speakers • Seven distinct, standard warning signals • Decibel output range from 111 to 121 dB(C) • Maintenance free The Federal Signal Directional Speaker Array, model DSA, is a maintenance free, electronic siren comprised of one to four vertical support structures with two to six re-entrant speakers providing output ranging from 111 to 121 dB(C). The DSAs vertical support structure can be positioned at 90-degree or 180-degree intervals. Each DSA has a 70-degree horizontal angle of dispersion. When positioned at 90-degree apart, a 180-degree horizontal coverage is produced. The DSA consists of a vertical aluminum base with fiber-glass speakers, stainless steel mounting hardware and one 100 watt driver per speaker. The DSA provides excellent voice reproduction and, with the aid of the UltraVoice™ controller (purchased separately), will produce the following standard warning signals: wail, pulsed steady, steady, pulsed wail, alternating alert, alternating wail and westminster chimes. The UltraVoice™ controller can interface to radio systems, satellite, cellular or IP networks. Power is available via AC, DC and Solar with battery back-up. The DSA is an excellent choice to provide warning for hazardous weather conditions, dam safety, civil defense, industrial applications and other types of emergencies. DATA SHEET FEDERAL SIGNALSafety and Security Systems Protecting people and our planet 2645 Federal Signal Drive, University Park, IL 60484 708.534.4756 Fax: 708.534.4874 www.alertnotification.net

Effective Range @ 70 dB(C) 1700' Height in inches 25 Shown: Two quantity DSA's and One quantity DSAMK4 at 90o apart DSA Specifications Color Black projectors and off-white housing Paint type TGIC polyester powder coat Ordering Information DSA21 2 speaker assembly Specify Mounting Kits Wall mount for one vertical support Mounting kit for one to four vertical stack(s) 90° or 180° apart Mounting kit for steel poles, one vertical stack 4.5" mounting brackets for steel pole, bracket for one vertical stack 2.375" mounting brackets for steel pole, bracket for one vertical stack UltraVoice...