Federal Signal’s popular PA640 siren is the most reliable, most versatile totally enclosed siren/light controller. PA640 sirens provide 100-watt output and will meet Class A and SAE J1849 requirements for sound when paired with any Federal Signal high-output speaker.
Wail, Yelp, Priority or Hi-Lo, Manual Peak-and-Hold, and Air Horn, are all standard tones and can be enabled by a heavy-duty five position rotary switch. Every siren comes with its own mounting bracket, hard-wired microphone and is electronically short circuit and reverse polarity protected.
Combined light/siren controls with PA and microphone
100-Watt SAE J1849 and Class A output
Internal programmable siren functions
Four-position progressive slide switch
Six backlit and rubberized relay push-button switches
Scrolling TAP II intersection clearing feature