R-D05C 5″ Fireproof Ceiling speaker with metal dome and ceramic terminal
The R‑D05C is a reliable ceiling speaker built for fire-critical environments, offering both excellent audio clarity and comprehensive fire protection. With EN54-compliant design features and simple installation, it’s an ideal solution for PA/VA systems in commercial and public buildings.
The R‑D05C is a compact, fireproof 5-inch ceiling speaker designed for 70V/100V public address (PA) and voice alarm (VA) systems. Engineered with a built-in ceramic terminal, thermal fuse, and fireproof back cover, this speaker delivers clear, reliable sound while ensuring full compliance with modern fire safety standards.
| Feature | Specification |
|---|---|
| Speaker Type | 5″ Ceiling PA/VA Speaker |
| Power Taps | 1.5 W / 3 W / 6 W @ 100V |
| Frequency Range | 110 Hz – 14.5 kHz |
| Sensitivity | 91 dB |
| Max SPL | 98 dB |
| Fireproof Features | Fire dome, thermal fuse, ceramic block |
| Mounting Cutout | Ø 175 mm |
| Overall Size | Ø 200 × 105 mm |
| Weight | 0.9 kg |
Key Specifications
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Driver Unit: 5" full-range cone speaker
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Power Taps @ 100V: 1.5 W, 3 W, 6 W selectable
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Frequency Response: 110 Hz – 14.5 kHz (±10 dB)
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Sensitivity: 91 dB @ 1 W/1 m
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Maximum SPL: 98 dB @ 6 W/1 m
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Impedance: Supports 70V / 100V line systems
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Installation Method: Spring-loaded mounting clips (3-point type)
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Cutout Size: Ø 175 mm
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Dimensions: Ø 200 mm × 105 mm depth
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Weight: Approx. 0.9 kg
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Construction: Metal grille, fireproof dome, ceramic terminals
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Fireproof Features:
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Fire dome enclosure
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Ceramic terminal block
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Thermal fuse
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Flame-retardant wiring
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Compliance: Designed to meet EN54‑24 fire safety standards
Key Advantages
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Fire-Resistant Design: Equipped with a metal fire dome, thermal fuse, and ceramic terminal for enhanced safety in fire-critical areas.
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Wide Audio Coverage: Clear vocal reproduction and smooth background music output, ideal for paging and announcements.
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Flexible Power Settings: Adjustable wattage makes it easy to tailor output levels for rooms of various sizes.
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Fast Installation: Spring-clamp mounting system enables quick and secure ceiling mounting without tools.
Ideal Applications
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Offices and commercial buildings
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Hotels, shopping malls, hospitals
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Schools and public institutions
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Emergency evacuation audio systems
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Voice alarm & fire-safe audio zones








