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Race Siren/Speaker Combo

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Only: $348.99
Item Number: MS4000U/AS124
Manufacturer: Federal Signal
Manufacturer Part No: MS4000U/AS124
MS4000U Siren:

• Small and compact – mounts virtually anywhere. • Easy to operate – new, built-in intersection clearing feature. • High reliability – advanced circuitry and FET design. • 100-watt output – meets Class A with just one Federal Signal speaker. • Output short circuit protected – replaceable fuse protection. • Tones included – Wail, Yelp, Priority, Manual (peak and hold), and Air Horn.

Intersection Clearing Feature:

Depressing the momentary MANUAL switch activates additional alternate sounds.

Depressing MANUAL Produces

1. Switch set to WAIL 8-second Yelp tone

2. Switch set to YELP 8-second Priority tone


• Meets Class A requirements for sound output when paired with one Federal Signal 100-watt speaker

AS124 Speaker:

Rugged, lightweight housing is exceptionally strong, resistant to heat and moisture. Field replaceable neodymium driver. Versatile design allows unit to be mounted horizontally or vertically to fit multiple applications. Reduced size allows the speaker to be mounted behind the grille of popular emergency vehicles without time consuming grille removal. Includes mounting bolts and hardware kit/vehicle specific brackets are also available.

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