MS4000 Series
  • Overview
  • Request Information
  • Specs
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Technical Specs and Approvals

Approvals: Class A when used with any 100W Federal Signal speaker
Power: 100W
Current Draw: 10A
Standby Current: <25 mA
Input Voltage: 11-16VDC
Dim. (H x L x D): 1.5 in x 5.5 in x 6.5 in (3.8 cm x 14 cm x 16.5 cm)
Ship Weight: 2.5 lbs (1.1 kg)


Audible Equipment may produce LOUD sounds necessary to request the right-of-way. Audible equipment may cause hearing damage. Wear hearing protection. Refer to the Installation Manual or call 800/433-9132 for further instructions.

Important Warning for Police Boats and Fire Rescue Boats

It has come to our attention that police boat and fire rescue boat sirens and speakers may subject persons operating those craft to sound pressure levels that can cause permanent hearing loss. We recommend that speakers be located as far forward on the boat as possible, as recommended in the SAE Recommended Practice J1849 "Emergency Vehicle Sirens". However, unprotected exposures of a sufficient duration to properly located siren speakers can still create a risk of hearing loss.

It is our recommendation that your siren speakers should be relocated and persons operating these craft should wear hearing protection when using the siren system.

Failure to comply with these recommendations may result in temporary or permanent hearing loss to operators and passengers of these vehicles.

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The Federal Signal MS4000 series mini-siren is a value-packed, compact siren with effective traffic clearing capability. MS4000 mini-sirens provide 100-watt output and meet Class A requirements when paired with any Federal Signal speaker.

Wail, Yelp, Priority, Manual and Air-Horn are all standard with the MS4000. Ideal for undercover and administrative vehicles, this mini-siren comes with its own bracket and can be mounted virtually anywhere due to its compact size and lightweight construction.

  • Mini-siren with intersection clearing tones
  • Faceplate switching or remote control style
  • Compact and easy to operate
  • 100-Watt Class A and SAE sound output
  • Great for undercover and administrative vehicles