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 |
DSP5311EN 12W EN54 Fireproof Surface-Mounted Ceiling SpeakerNovember 6, 2020The DSP5311EN is an EN54-certified fireproof surface-mounted ceiling speaker designed for indoor voice alarm and public address systems. It features a 6.5" full-range dual-cone driver with select...view
DSP602EN 6W EN54 Fireproof Ceiling SpeakerMarch 21, 2017The DSP602EN is an EN54-certified fireproof ceiling speaker designed for indoor voice alarm and public address systems. It features a 6.5" full-range dual-cone driver with selectable 6W/3W/1.5W p...view
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 ...viewwe will contact you within 24 hours.
DSPPA IP Network System Applied in CMA Choi Cheung KOK Secondary School, Hong KongSeptember 11, 2017CMA Choi Cheung KOK secondary school recently applied DSPPA IP Network System MAG6000 for intelligent teaching and smart management in education. CMA Choi Cheung KOK secondary school is located in 1 T...view
2022 Annual Meeting of the DSPPA Global CenterJanuary 25, 2022On January 22nd, 2022 Annual Meeting of the DSPPA Global Center was held successfully, attended by executives and elites. This annual event was split into four parts: Leaders' Remarks, Recognition Ceremony, Team Show and Lotteries.view