A quad piezo sounder uses four piezo transducers operating together to produce a significantly higher sound pressure level than a single piezo element, maximising audible output from a compact device. The Sound Bomb 2 format is a well-established internal alarm sounder designed for high-decibel output in building interiors.
Internal sounders ensure the alarm is clearly audible throughout the interior of the building, including upper floors, rear rooms, and areas where the external siren may be partially blocked by the building structure. A high-output internal sounder also discourages any prolonged intrusion within the building once the alarm has activated.
The 12VDC operating voltage is the standard for alarm panel sounder output circuits. Most hardwired alarm panels provide a 12V sounder output that directly powers devices such as the KSB2 without requiring additional power supplies.
The self-contained compact housing mounts directly to the wall or ceiling at the installation position, with the alarm panel cable terminating at the sounder terminals.
For alarm system installers completing wired alarm installations requiring a high-output internal sounder across London and the UK, the KSB2 Sound Bomb 2 provides the quad piezo 12VDC internal sounder for this application.
Key Features
- Quad piezo transducers: high-decibel internal alarm output
- 12VDC operation: compatible with standard alarm panel sounder circuits
- Sound Bomb 2 format: compact housing with high-output sound pressure
- Internal sounder for audible alarm throughout building interior
- Direct wall or ceiling mounting
- Wired 12V alarm panel connection: no separate power supply required

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