ADASTRA Fire Dome Ceiling Speaker, 6W, 5.25 Inch, 135mm

The ADASTRA Fire Dome Ceiling Speaker is a 100V line speaker designed to combine clear audio performance with critical fire safety compliance. It features a unique rear dome housing that acts as an effective fire barrier, allowing it to be safely installed in ceilings where fire protection is a priority. This dome can be separated from the speaker unit for easy fitting into ceiling cavities, and a spring-loaded mechanism ensures the driver pulls neatly into a flush position for a professional, unobtrusive finish.

Engineered for reliability in public address and alarm systems, this speaker is fully certified to the EN54-24 standard, meeting stringent requirements for fire detection and alarm systems. It includes four selectable volume tappings (0.75W, 1.5W, 3W, 6W) via convenient screw terminals, providing flexible sound level control across different zones. The robust all-metal frame and basket, coupled with fire-resistant cabling rated to 95°C, ensure durability and safety in demanding environments.

Key Features & Performance

• Fire Safety Certified: Compliant with EN54-24 standards for integration into life safety systems.
• Easy Installation: Removable fire dome and spring-loaded retainers simplify fitting and achieve a flush mount.
• Versatile Power Tappings: Four 100V line settings (0.75W, 1.5W, 3W, 6W) offer precise volume adjustment.
• Robust Construction: Features a powder-coated steel frame, a ceramic screw terminal block, and a 135mm (5.25”) reinforced paper cone driver.
• Clear Audio Output: Delivers a sound pressure level of 92dB at 1W/1m with a frequency response from 130Hz to 15kHz for intelligible speech and alert tones.

Ideal for commercial, industrial, and public buildings, this speaker provides a dependable audio solution where fire compartmentalisation and reliable sound distribution are essential.