The DSP2254EN is an EN54-certified fireproof ceiling speaker designed for indoor voice alarm and public address systems. Featuring a 6.5" full-range dual-cone driver with selectable 10W/5W/2.5W power taps for 100V line connection, it delivers clear and intelligible sound. The speaker is built with a steel fire dome and an aluminium protective grille for enhanced fire safety and durability. Equipped with a ceramic connector and built-in thermal fuse, it ensures reliable operation under demanding conditions.


Model | DSP2254EN |
Standards | EN54-24:2008 Loudspeaker for voice alarm system for fire detection and fire alarm system |
Environment Class EN54-24 | Type A, indoor applications |
IP rate protection (EN60529) | IP21C |
Way no. / Speaker type | 1-way dual cone, full range Ø165mm |
Transformer | 100V (10W – 5W – 2.5W) |
In-axis Freq. response (-10dB) | 350–18,000Hz |
Sensitivity (@1m, 1W) | 90dB |
SPL max (@1m, Pmax) | 100dB |
Coverage angle (-6dB) | 360° (500 Hz), 236° (1 kHz), 86° (2 kHz), 64° (4 kHz), 27° (8 kHz) |
Directivity Index DI (dB) | 2.6 (500 Hz), 3.3 (1 kHz), 7.1 (2 kHz), 8.5 (4 kHz), 10.8 (8 kHz) |
Directivity Factor Q | 1.8 (500 Hz), 2.2 (1 kHz), 5.2 (2 kHz), 7.0 (4 kHz), 12.0 (8 kHz) |
Nominal/Music power | 10W/20W |
Nominal Impedance @ 1kHz | 1kΩ (10W), 2kΩ (5W), 4kΩ (2.5W) |
Dimensions Ø - P | 200mm – 100mm |
Weight | 1.11kg |
Material | Steel dome, painted grid in aluminium |
Colour | White and red |
Connections | Ceramic connector and thermal fuse |
DSP3254EN 10W EN54 Fireproof Ceiling SpeakerNovember 15, 2016The DSP3254EN is a ceiling speaker designed for voice evacuation systems, so it also called as en54 ceiling speaker, which comply with EN54-24 requirements. It has a 100v transformer built in.view
DSP207EN 12W EN54 Fireproof Wall-Mounted SpeakerNovember 6, 2020The DSP207EN Fireproof Wall Mount Speaker is an on-wall or shelf-mountable 100V projector speaker engineered for high-quality public address and critical voice evacuation systems, boasting EN54-24:200...view
DSP3354EN 10W EN54 Fireproof Ceiling SpeakerNovember 15, 2016he on-wall loudspeaker DSP3354EN is specifically designed to meet the requirements of EN54-24 that is part of a series of norms concerning voice alarm evacuation in case of fire, so it also called as en54 ceiling speaker.viewwe will contact you within 24 hours.
DSPPA | Launches New Commercial Audio Website to Expand Its Professional Audio EcosystemMay 15, 2026Abstract: The DSPPA Commercial Audio Website is now live—explore the platform.view
The Powerful IP Network Audio SystemDecember 12, 2024IP Network Audio System boasts powerful platform functionality and access capabilities, enabling it to meet various application scenarios. The system's full IP design requires only connecting the ...view