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Technical Specs and Approvals

Frequency Range 700-1600 Hz (nominal)
Approvals: Meets Class A requirements for sound output with any pair
of 100W Federal Signal speakers
Input Voltage: 11-16 VDC
Power: 200W
Operating Current: 7/13A
Standby Current: 150 mA
Voltage: 62 V peak to peak
Cycle Rate: Wail - 14 cycles/min
Yelp - 180 cycles/min
Voltage Output: 62 V peak-to-peak (approx.)
Audio Frequency Range: 300 Hz to 3000 Hz
Operating Temperature: -30˚ to 65˚C
Dim. (H x L x D): Control Head - 2.9 in x 6.3 in x 1.5 in (7.4 cm x 16 cm x 3.8 cm)
Amplifier - 2.9 in x 6.9 in x 4.8 in (7.4 cm x 17.5 cm x 12.2 cm)
Ship Weight: 7.0 lbs (3.2 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 PA4000 is a full-featured 200-watt siren amplifier system with a remote control head engineered to meet Class A specifications. Designed for easy installation, the PA4000 consists of an amplifier unit, flush mount control head, and RJ-45 wire to connection.

The remote control head can be flush mounted to a flat surface and is ideal for use in ambulances, police cars, fire apparatus and command vehicles. The unique diagnostic feature checks for adnormal operation of the speaker system through two LEDs that light up indicating speaker operation during test mode.

The PA4000 produces Wail, Yelp and Priority tones and includes a noise-cancelling microphone.

  • 200-Watt electronic siren
  • Flush mount controller with remote amplifier
  • Noise-cancelling microphone included
  • Diagnostic feature checks system status