Features:

• Slim line 100 watt speaker which installs in small spaces.
• Three sound channels provide a clear tone with a long distance spread.
• Constructed of heavy-duty cast aluminium.
• Works with either the Four Function Siren or Full-Feature Siren
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• Dimensions:   7-7/16" H  x 7-3/4" W  x 3" D  - with bail bracket