Apollo Integrated Base Sounder – Slow Whoop (45681-291APO)

Part no.

Apollo-45681-291APO

The Apollo Integrated Base Sounder – Slow Whoop (45681-291APO) of a Base Sounder with integral Mounting Base and is for use with Apollo Discovery or XP95 ranges.

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Apollo Integrated Base Sounder – Slow Whoop (Part No. 45681-291APO)

The Apollo Integrated Base Sounder – Slow Whoop (45681-291APO) combines a loop-powered sounder with an integral detector mounting base, providing an efficient audible alarm solution for Apollo Discovery and XP95 fire detection systems. Designed for indoor applications, the device delivers clear alarm notification while reducing installation time by combining two functions within a single unit.

The 45681-291APO supports the distinctive Slow Whoop evacuation tone, making it particularly suitable for applications where controlled and recognisable evacuation signalling is required. In addition, the sounder supports individual and group addressing, allowing system designers to create flexible alarm strategies across a building.

The unit incorporates a built-in short-circuit isolator, helping to protect loop integrity by isolating faulty sections of the circuit and minimising disruption to the wider fire alarm system.

Key Features

Integrated base sounder with detector mounting base
Compatible with Apollo Discovery and XP95 systems
Slow Whoop alarm tone
Two selectable tones
Two volume ranges:
- 55-75dB(A)
- 75-91dB(A)
Individual addressing
Group addressing
Unique acoustic self-test facility
Loop powered
Built-in short-circuit isolator
Designed for indoor use

Typical Applications

The Apollo 45681-291APO is suitable for:

Offices
Commercial buildings
Educational facilities
Healthcare environments
Hotels
Retail premises
Residential developments
Buildings requiring controlled evacuation signalling

Technical Specifications

Parameter	Specification
Product Name	Apollo Integrated Base Sounder – Slow Whoop
Part Number	45681-291APO
Device Type	Integrated Base Sounder
System Compatibility	Apollo Discovery and XP95
Tones Available	2
Volume Range	55-75dB(A) / 75-91dB(A)
Addressing	Individual and Group
Self-Test Facility	Acoustic Self-Test
Power Supply	Loop Powered
Built-In Isolator	Yes
Application	Indoor Use

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