DSA: Difference between revisions
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{{Infobox siren | {{Infobox siren | ||
|image = Official DSA.jpg | |image = [[File:Official DSA.jpg|200px]] | ||
|company = Federal Signal Corporation | |company = Federal Signal Corporation | ||
|type = Electronic | |type = Electronic | ||
Revision as of 05:03, 13 December 2013
| DSA | |
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| Company | Federal Signal Corporation |
|---|---|
| Type | Electronic |
The DSA, short for Directional Speaker Array, is an electronic siren produced by. It it comprised of speaker modules that vertically hold two to six speakers with projectors. Up to four can be installed on a pole, and at different angles, depending on coverage requirements.