Edwards EST 3-ZA20B Zoned Amplifier (NEW)
EST3 20-Watt Zoned Audio Amplifier – Class B, 25V/70V Output with Integrated NAC
The EST3 20-Watt Zoned Amplifier delivers clear, reliable voice evacuation and Mass Notification/Emergency Communication (MNEC) audio. Designed for Class B operation, it features selectable 25 or 70 VRMS output and easily mounts in one LRM space. A built-in, Class B NAC rated at 3.5 Amps supports visual notification devices, while a single user interface module enhances system control.
Utilizing advanced digital technology, this amplifier demultiplexes up to eight audio channels sent over fiber optics or twisted-pair wiring, ensuring precise audio distribution. Software-controlled channel selection allows for flexible, networked operation. Designed to integrate seamlessly with EST3 enclosures and standard system power supplies, it offers dependable performance for both voice and visual alerting needs.
Key Features:
-
20 Watt selectable 25V/70V RMS output
-
Built-in 3.5A Class B NAC for notification appliances
-
Supports one user interface module
-
Mounts in a single LRM space within EST3 cabinets
-
Advanced digital demultiplexing for up to eight audio channels
-
Ideal for evacuation and mass notification systems