The 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 power taps for 100V line connection, delivering clear and intelligible voice reproduction. The enclosure and fire dome are made of ABS V0 flame-retardant material, complemented by an aluminium protective grille for enhanced safety and durability. Equipped with a ceramic connector and built-in thermal fuse, the speaker ensures reliable operation under fire alarm conditions.


Model | DSP602EN |
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 (6W – 3W – 1.5W) |
In-axis Freq. response (-10dB) | 350–20,000Hz |
Sensitivity (@1m, 1W) | 88dB |
SPL max (@1m, Pmax) | 96dB |
Coverage angle (-6dB) | 281° (500 Hz), 170° (1 kHz), 87° (2 kHz), 52° (4 kHz), 30° (8 kHz) |
Directivity Index DI (dB) | 2.8 (500 Hz), 4.0 (1 kHz), 7.1 (2 kHz), 9.2 (4 kHz), 11.3 (8 kHz) |
Directivity Factor Q | 1.9 (500 Hz), 2.5 (1 kHz), 5.1 (2 kHz), 8.4 (4 kHz), 13.6 (8 kHz) |
Nominal/Music power | 6W/12W |
Nominal Impedance @ 1kHz | 1.66kΩ (6W), 3.33kΩ (3W), 6.66kΩ (1.5W) |
Dimensions Ø - P | 190mm – 108mm |
Weight | 1.0kg |
Material | ABS V0 type, painted grid in aluminium |
Colour | White |
Connections | Ceramic connector and thermal fuse |
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