3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging Systems
3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging Systems
3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging Systems
    3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging Systems
3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging Systems

3-ASU/4 | Edwards Signaling Audio Source Unit for Voice Evacuation and Paging Systems

Part #: 3-ASU/4 Manufactured by: Edwards Signaling
Regular price
$2,599.00
Sale price
$2,599.00
Regular price
1 in Stock
Condition: New-Surplus Original Box
Shipping calculated at checkout.
Product Overview
The 3-ASU/4 is an Edwards audio source unit that manages and routes voice and tone signals in emergency communication netw...  Read more
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IQElectro 2-Year Warranty
Warranty for Product #: 3-ASU/4
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Original Manufacturer's Warranty Not Covered, This Product is SURPLUS.

Product Description P/N: 3-ASU/4

Description / Specifications

Description 

The Edwards Signaling 3-ASU/4 Audio Source Unit is a modular audio distribution and signal control device designed for use with Edwards fire alarm and emergency communication systems. It provides reliable audio input and routing functions for voice evacuation, paging, and alerting operations. The unit ensures clear, consistent sound transmission in life-safety and mass notification systems.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Edwards Signaling
Category Fire and Emergency Communication
Part Number 3-ASU/4
Subcategory Audio Source Units
Series 3-ASU Series
Type Modular Audio Source Unit
Function Audio Input and Routing Control
Compatible Systems Edwards Fire Alarm and Voice Evacuation Systems
Input Channels Single or Multiple (depending on configuration)
Output Type Line-Level Audio Signal
Gain Adjustment Manual / Trim-Pot Adjustable
Supervision Built-In Audio Path Monitoring
Mounting Edwards CAB Enclosure (Wall or Rack Mount)
Power Requirement From System Control or Dedicated Supply (per model)
Operating Temperature 32°F to 120°F (0°C to 49°C)
Enclosure Metal Module Frame with Front Access Terminals
Dimensions Approx. 5 x 7 x 2 in (typical)
Application Voice Evacuation, Paging, and Emergency Audio Systems
Weight Approx. 1.2 lbs


 

Information About 3-ASU/4

The 3-ASU/4 is part of the Edwards 3-ASU Series, developed for multi-zone audio control and integration within emergency communication and fire alarm systems. It functions as the interface between external audio sources—such as microphones, tone generators, or prerecorded messages—and the amplifier or distribution network. The unit provides level adjustment, signal conditioning, and system supervision to ensure reliable audio performance. Designed for mounting in Edwards CAB series enclosures, the 3-ASU/4 simplifies installation and maintenance in centralized or distributed system configurations.

Key Features:

  • Modular Audio Interface: Provides input routing and control for voice evacuation or paging systems.
  • High Signal Integrity: Maintains clear, distortion-free transmission of audio signals.
  • Compatible with Edwards Systems: Designed for integration into Edwards fire alarm and mass notification platforms.
  • Supervised Operation: Continuously monitors audio circuits for faults or interruptions.
  • Adjustable Gain Control: Allows tuning of input levels to match connected audio sources.
  • Compact Design: Fits standard Edwards CAB enclosures for streamlined installation.
  • Reliable Construction: Built for long-term performance in life-safety communication systems.
  • Field-Serviceable Module: Enables easy replacement and maintenance without full system downtime.

The 3-ASU/4 delivers the reliability and precision required for supervised audio signal control in emergency communication and voice evacuation systems.

IQElectro is not an authorized distributor.
IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The Edwards Signaling 3-ASU/4 Audio Source Unit is a modular audio distribution and signal control device designed for use with Edwards fire alarm and emergency communication systems. It provides reliable audio input and routing functions for voice evacuation, paging, and alerting operations. The unit ensures clear, consistent sound transmission in life-safety and mass notification systems.

 

 

Technical Specifications 

Condition New/Never Used Surplus
Brand Edwards Signaling
Category Fire and Emergency Communication
Part Number 3-ASU/4
Subcategory Audio Source Units
Series 3-ASU Series
Type Modular Audio Source Unit
Function Audio Input and Routing Control
Compatible Systems Edwards Fire Alarm and Voice Evacuation Systems
Input Channels Single or Multiple (depending on configuration)
Output Type Line-Level Audio Signal
Gain Adjustment Manual / Trim-Pot Adjustable
Supervision Built-In Audio Path Monitoring
Mounting Edwards CAB Enclosure (Wall or Rack Mount)
Power Requirement From System Control or Dedicated Supply (per model)
Operating Temperature 32°F to 120°F (0°C to 49°C)
Enclosure Metal Module Frame with Front Access Terminals
Dimensions Approx. 5 x 7 x 2 in (typical)
Application Voice Evacuation, Paging, and Emergency Audio Systems
Weight Approx. 1.2 lbs


 

Information About 3-ASU/4

The 3-ASU/4 is part of the Edwards 3-ASU Series, developed for multi-zone audio control and integration within emergency communication and fire alarm systems. It functions as the interface between external audio sources—such as microphones, tone generators, or prerecorded messages—and the amplifier or distribution network. The unit provides level adjustment, signal conditioning, and system supervision to ensure reliable audio performance. Designed for mounting in Edwards CAB series enclosures, the 3-ASU/4 simplifies installation and maintenance in centralized or distributed system configurations.

Key Features:

  • Modular Audio Interface: Provides input routing and control for voice evacuation or paging systems.
  • High Signal Integrity: Maintains clear, distortion-free transmission of audio signals.
  • Compatible with Edwards Systems: Designed for integration into Edwards fire alarm and mass notification platforms.
  • Supervised Operation: Continuously monitors audio circuits for faults or interruptions.
  • Adjustable Gain Control: Allows tuning of input levels to match connected audio sources.
  • Compact Design: Fits standard Edwards CAB enclosures for streamlined installation.
  • Reliable Construction: Built for long-term performance in life-safety communication systems.
  • Field-Serviceable Module: Enables easy replacement and maintenance without full system downtime.

The 3-ASU/4 delivers the reliability and precision required for supervised audio signal control in emergency communication and voice evacuation systems.

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