Authorized Federal Signal Distributor
Federal Signal AM50-25R - AudioMaster Public Address 2 Watt Re-Entrant Speaker, 25Vrms, Red - Transformer coupled. 25 or 70 Vrms. Several mounting options. Pre-assembled. Indoor and outdoor use. Type 3R with WB weatherproof back box. UL Fire Listed and CSFM Approved.

Federal Signal AM50-25R AudioMaster Public Address 2 Watt Re-Entrant Speaker, 25Vrms, Red - Transformer coupled.…

UPC: 782979216698


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Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The Federal Signal AM50-25R is a 2-watt re-entrant public address speaker designed for reliable voice distribution in indoor and outdoor environments. This transformer-coupled speaker operates at 25 Vrms or 70 Vrms, making it compatible with most public address systems. The unit features a durable red housing with a Type 3R weatherproof back box (WB), ensuring protection against harsh conditions while maintaining compliance with UL fire safety standards and CSFM approval. Key specifications include a frequency response of 140Hz to 10kHz, power taps of 2W, 1W, 1/2W, and 1/4W, and a beamwidth of 170° at 10 feet with 1 meter spacing. The speaker delivers 87 dBa at 10 feet and 97 dBa at 1 meter, providing clear, consistent audio with minimal distortion. With dimensions of 5.5" x 5.5" x 2.52" and a net weight of 1.4 lbs, the AM50-25R is compact yet robust. Multiple mounting options, including ceiling, wall, and custom brackets, allow for flexible installation. The pre-assembled design simplifies setup, while the included wiring terminals and strain relief ensure secure connections. Ideal for factories, schools, hospitals, and public venues, this speaker meets stringent safety and performance requirements, reducing maintenance costs and downtime. The AM50-25R is UL Listed for Fire Protective Signaling Use and California State Fire Marshal approved, making it a trusted choice for emergency notification and paging applications.
  • 2-watt power output with 25 Vrms or 70 Vrms transformer coupling
  • Re-entrant design for uniform sound coverage and minimal distortion
  • Type 3R weatherproof back box (WB) for indoor/outdoor use
  • UL Fire Listed and CSFM Approved for safety compliance
  • Multiple mounting options: ceiling, wall, or custom brackets

Specifications

Application
Indoor/Outdoor
Audio Specifications
25 VRMS
Brand Name
Federal Signal
Color
Red
Connection Type
Transformer-coupled
Dimensions
5.5 H x 5.5 W x 2.5 D IN
Enclosure
Type 3R With Model WB Back Box
Loudness
87 DB
Mounting
Wall
Mounting Type
Several mounting options
NEMA Rating
Type 3R
Operating Frequency
140 to 10,000 HZ
Operating Temperature
-40 to 151 DEG F
Output Level
2 WTT
Special Features
Includes Trim Ring For 4-Inch Square Back Box
Standard
UL Fire Listed/CSFM Approved
Sub Brand
AudioMaster
Type
Public Address Re-Entrant Speaker
Voltage Rating
25/70 Vrms
Package Dimensions (L x W x H)
5.75 IN x 5.75 IN x 5 IN
Package Dimensions (L x W x H)
14.605 cm x 14.605 cm x 12.7 cm
Package Weight (Imperial)
1.750 L
Package Weight (Metric)
0.794 kg
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Frequently Asked Questions

What is the AM50 speaker used for?

The AM50 speaker is a compact, two-watt, transformer-coupled speaker designed for emergency notification or paging applications.

What certifications does the AM50 speaker have?

The AM50 speaker is UL Listed for "Fire Protective Signaling Use" and is California State Fire Marshall approved.

What are the voltage options for the AM50 speaker?

The AM50 speaker is available in models for either 25 Vrms or 70 Vrms.

Can the AM50 speaker be used indoors and outdoors?

Yes, the AM50 speaker is suitable for both indoor and outdoor use.

What NEMA rating does AM50 have with a WB back box?

When used with the optional WB weatherproof back box, the AM50 speaker achieves a Type 3R rating.

What is the power handling of the AM50 speaker?

Both AM50 models have a power handling of 2 watts.

What is the frequency response range of the AM50 speaker?

The AM50 speaker has a frequency response range of 140Hz to 10KHz.

What are the available power tap settings for the AM50?

The AM50 speaker offers power tap settings of 2, 1, 1/2, and 1/4 watts.

What is the operating temperature range for the AM50?

The AM50 speaker operates in temperatures from -40°F to 151°F (-40°C to 66°C).

What are the dimensions of the AM50 speaker?

The AM50 speaker measures 5.50 in height, 5.50 in width, and 2.52 in depth.

Frequently Asked Questions about Federal Signal

What certifications and standards do Federal Signal products comply with?

Federal Signal products are certified across multiple international standards, including UL (Underwriters Laboratories) in the USA, CSA (Canadian Standards Association), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia and New Zealand). Their products meet rigorous safety and performance standards for industrial environments, with specific compliance in electrical equipment enclosures, functional safety, and environmental protection ratings.

What is Federal Signal's warranty policy?

Federal Signal offers a comprehensive limited warranty covering most products for 1-5 years from the date of delivery, with specific terms varying by product category. Mechanical sirens, beacons, speakers, and sounders typically receive 5-year parts and labor coverage, while electronic sirens and controllers generally have 2-year warranties. All warranties require return to the factory for service, and on-site services are not included. Certain components like domes, lenses, lamps, and batteries are specifically excluded from warranty coverage.

What industries and applications are Federal Signal products used for?

Federal Signal products are used across multiple critical industrial and municipal sectors for notification, communication, and safety systems. Their product lines cover essential applications including fire alarm systems, public address and telephony, outdoor warning systems, visual and audible signals, and emergency communication networks. Key industries served include manufacturing, municipal emergency services, industrial facilities, and infrastructure environments where clear, reliable communication and safety signaling are paramount.

What technical support does Federal Signal offer?

Federal Signal offers comprehensive technical support through their dedicated [email protected] email and direct phone line at +1 708.534.4756. Their support covers a wide range of notification and communication solutions, including technical assistance for products in public address, telephony, fire alarm, visual and audible signals, outdoor warning systems, and intercoms.

What are the main product lines offered by Federal Signal?

Federal Signal offers comprehensive notification and communication solutions across multiple product lines, including Visual Signals, Audible Signals, Telephony, Intercoms, Fire Alarm, Outdoor Warning Systems, Public Address, and Initiating Systems. Their product range is designed to provide clear communications and critical process notifications that enhance safety and compliance in industrial and public environments.

What are the key features of Federal Signal products?

Federal Signal products are comprehensive notification solutions designed to enhance safety and communication across industrial environments. Their key features include visual and audible signals, fire alarm systems, outdoor warning systems, public address capabilities, telephony, and intercoms. These products provide critical process notifications, ensure safety compliance, and offer advanced technologies like secure encrypted communication, cloud-based control systems, and customizable emergency response interfaces.

What environmental ratings do Federal Signal products have?

Federal Signal products offer robust environmental ratings across multiple standards, including UL 508A, CSA, NEMA, and IEC 60529. Their enclosures are rated for Type 1, 2, 3, 4, 4X, 12, and 13 environments, with IP66 protection, and can operate in temperatures ranging from -40°F to 266°F. These ratings ensure superior protection against dust, water, corrosion, and extreme conditions for indoor and outdoor industrial applications.

What accessories are available for Federal Signal products?

Federal Signal offers multiple accessories for their signaling products, including coupling kits, cable entry adapters, indicator rings, legend plates, and mounting brackets. Key accessories include E-Box endcap kits with M20 and M25 openings, U-Brackets for dual configurations, and color-coded indicator rings in black, blue, green, magenta, red, and yellow. Additional options like adapters for NPT connections and specialized mounting hardware are also available for their Global Series signaling platforms.

What communication protocols do Federal Signal products support?

Federal Signal supports multiple industrial communication protocols including PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, and Modbus RTU. These protocols enable flexible network integration across various industrial automation environments, supporting both traditional fieldbuses and modern Ethernet-based communication standards.

How are Federal Signal products typically installed?

Federal Signal products are typically installed using professional mounting configurations that include wall brackets, base stations, and specialized mounting hardware. Depending on the specific product line—such as outdoor warning systems, visual signals, or audible signals—installation involves precise mounting options like wall-mount antenna brackets, base station radio packages, and modular component assemblies. Each product configuration includes specific mounting accessories like endcaps, adapters, and terminal blocks to ensure secure and compliant installation in industrial and safety-critical environments.