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 |
DSP217EN 24W EN54 Fireproof Coaxial Wall-Mounted SpeakerMay 21, 2021The DSP217EN Fireproof Coaxial Wall-Mounted Speaker is an on-wall or shelf-mountable 100V projector speaker designed for demanding public address and voice evacuation systems, with full compliance to ...view
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
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.
Three Common Configuration Ways of Meeting Room Microphone SystemMarch 29, 2019Meeting room microphone seems to be a simple individual, but in fact, it is a powerful meeting room microphone system composed of a variety of rich equipment. The room microphone can play its greatest...view
Surprising Growth for DSPPA In FrankfurtNovember 25, 2016DSPPA has just ended the trade show on the Prolight+Sound in April 8. Although the trade show only last 3 days (April 5-April 8), the flood of consumers up to the level expected with the fair through all these days.view