Ajax HomeSiren Plus Wireless Internal Speaker - White (AJA-176851)

The Ajax HomeSiren Plus Jeweller is an advanced wireless indoor siren designed to deliver powerful audible alarms and flexible everyday notifications. Featuring a built-in speaker rather than a traditional buzzer, the siren produces clear, powerful alarm signals alongside a range of polyphonic melodies for doorbell calls and chime notifications. Ideal for residential and commercial security installations, the HomeSiren Plus combines reliable intrusion alerts with convenient everyday functions, providing an enhanced audio experience within the Ajax security ecosystem.

Equipped with Ajax Superior Jeweller and Wings wireless communication technologies, the HomeSiren Plus delivers secure, encrypted communication with compatible Ajax hubs over distances of up to 2,000 metres in open space. The siren offers adjustable alarm volume from 80 to 100 dB, configurable alarm durations between 3 seconds and 3 minutes, and independent settings for different operating modes. Additional features include entry and exit delay notifications, security status indication, after-alarm LED indication and configurable chime melodies. Advanced anti-sabotage protection, device authentication and automatic system supervision help ensure dependable operation and protection against interference.

Designed for quick installation and convenient maintenance, the Ajax HomeSiren Plus Jeweller features a SmartBracket mounting panel, QR code pairing and remote configuration through Ajax mobile and desktop applications. Powered by two pre-installed CR123A batteries, the siren offers up to two years of operation, with the option to connect an external 12V DC power supply. Its compact enclosure, IP50 protection rating and EN 50131 Grade 2 compliance make it a versatile solution for professional indoor security installations requiring powerful audible alerts and flexible notification options.

Key Features

• Wireless indoor siren with a built-in speaker delivering powerful alarm signals and polyphonic notification melodies.
• Adjustable alarm volume from 80 to 100 dB, with configurable alarm durations from 3 seconds to 3 minutes.
• Secure Superior Jeweller and Wings wireless communication with a range of up to 2,000 metres in open space.
• Multiple notification modes including intrusion alarms, entry and exit delays, security status and after-alarm indication.
• Customisable chime melodies for opening detectors and compatible Ajax DoorBell calls.
• Independent sound settings for different operating modes, including volume, duration and melody selection.
• Up to two years of battery operation using two pre-installed CR123A batteries, with optional external 12V DC power.
• Advanced anti-sabotage protection with tamper detection, frequency hopping, device authentication and jamming notifications.
• Quick installation using SmartBracket mounting, QR code pairing and remote configuration through Ajax applications.
• EN 50131 Grade 2 compliant with IP50 protection, automatic self-testing and regular system supervision.