EN 54 is a standard of the European Union for fire detection and fire alarm systems, and the relevant parts to the voice alarm and audio industry are part 16, which is concerned with voice alarm control and indicating equipment, and part 24, which refers to loudspeakers.

HQ15EN plastic horn speakers 15W at 380Hz – 10 kHz range. HQ15 EN high quality horn speakers for voice evacuation and public address systems. 101 dB sensitivity makes these horn speakers suitable for noisy and large environments where powerful and clear middle range sound reproduction is required. EN54-24 certified.

Rated power: 15 W
Transformer power taps: 15 W - 7,5 W
Sensitivity: 101 dB (1 W/1 m)
Frequency response: 380 Hz – 10 kHz
Dimensions: 222 mm × 162 mm x 232 mm
Colour: White RAL9016