Edwards EST SIGA-AB4 Sounder Base Overview
The Edwards EST SIGA-AB4 Sounder Base enhances fire detection systems by adding an audible alarm output. This base works with Signature Series detectors to provide immediate alerts in the event of a fire, making it ideal for commercial spaces, schools, and healthcare facilities. It supports both local alarms and system-wide synchronization, ensuring that alerts sound simultaneously throughout a facility.
Compatibility and Design
This sounder base is compatible with first and second-generation Signature Series intelligent detectors. Its compact design aligns with the aesthetic of Signature Series devices, ensuring a seamless look when installed. The SIGA-AB4 model is intended specifically for smoke detection alarms and should not be used with smoke/CO combination detectors in Fire-plus-CO mode.
Key Applications
The SIGA-AB4 Sounder Base is particularly useful in environments where enhanced audible signaling is required. Whether operating as a standalone local alarm or integrated into a larger system, it provides an effective solution for fire safety compliance. This functionality is essential for facilities where safety regulations mandate synchronized alarms for efficient evacuation procedures.
Product Overview
- Model: SIGA-AB4G
- Type: Sounder Base for Fire Detectors
- Brand: Edwards, EST
Key Features
- Provides additional audible alarm functions
- Operates in both local and synchronized system modes
- Compatible with first and second-generation Signature Series detectors
- Not for use with smoke/CO combination detectors
- Compact, visually matching Signature Series detectors
Technical Specifications
- Weight: 0.2 lbs
- Color: White
- Series: Signature Series
- Sound Output: Local or synchronized system output
With its versatile sound capabilities, the SIGA-AB4 Sounder Base significantly enhances fire alarm systems, ensuring a reliable, audible alert for safety in a wide range of settings.



