Discovery Sounder Base Isolating

The Apollo Discovery Isolating Sounder Base is a high-performance, EN54-compliant sounder solution designed for indoor fire alarm systems. Featuring an integral isolating mounting base, this unit is engineered for use with Apollo Discovery detectors, and is also compatible with XP95 and CoreProtocol systems. With 15 tone pairs, multiple selectable output volumes, and XPert7 addressing, this sounder base provides versatile and reliable alarm signalling. Its compact 4" isolated base is also certified to EN54-17, ensuring fault-tolerant operation in loop-powered systems.

Technical Specification

• Download Product Technical Data Sheet

• Product Type: Discovery Isolating Sounder Base

• Compatibility: Discovery, XP95 & CoreProtocol systems

• Sound Output: Multiple selectable output volumes

• Tone Options: 15 tone pairs

• Compliance:

  • EN54-3 (Sounder)

  • EN54-17 (Isolated base)

• Addressing Method: XPert7

• Mounting Base: Integral 4" isolating base

• Installation Environment: Indoor use only

• Application: Fire detection systems requiring audible alert with loop isolation