Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

DSP227EN 24W EN54 Fireproof Wall Mount Speaker


● RMS Power:24W
● Material:Aluminium Mesh,ABS Dome
● IP rate protection: IP66.
● Suitable for outdoor installation

  • Introduction
  • Specification

On wall or shelf projector 100V speaker, 24W – 12W – 6W, power taps, EN54-24:2008 standard certified.
Plastic body made in ABS V0 type, Protection grid in aluminium. Suitable for outdoor installation, IP rate protection: IP66.
Wide band bi-cone 5" speaker, audio transformer for connection to 100V or 70V lines, thermal fuse for protection of the speaker line in case of overheating, dual IN-OUT ceramic connector.
Including aluminium fixing bracket, waterproof cover and IN-OUT cable glands for easy daisy-chain speakers’ connection.



Loudspeaker for voice alarm system for fire detection and fire alarm system

Environmental Class EN54-24

Type B, outdoor applications

IP rate protection (EN60529)


Way no./Speaker type

1 via bicono, fullrange Ø130mm


100V (24W - 12W - 6W)

In-axis Freq. response (-10dB)

110 ÷ 18.000 Hz

Sensitivity (@1m, 1W)

86.3 dB SPL

SPL max (@1m, Pmax)

100.3 dB SPL

Coverage angle (-6dB)

360° (500 Hz), 262° (1 kHz), 131° (2 kHz), 82.3° (4 kHz) 61.5° (8 kHz)

Directivity Index DI (dB)

1.4 (500 Hz), 3.7 (1 kHz), 5.1 (2 kHz), 7.1 (4 kHz) 8.5 (8 kHz)

Directivity Factor Q

1.4 (500 Hz), 2.4 (1 kHz), 3.3 (2 kHz), 5.2 (4 kHz) 7.0 (8 kHz)

Nominal/Music power


Nominal Impedance @ 1KHz

416.6Ω(24W) – 833.3Ω(12W) – 1.66kΩ(6W)

Dimensions Ø - P

140mm - 240mm

Aluminium bracket

140mm - 152mm


1,4 Kg


ABS V0 type – painted grid in aluminium



● Reference axis: axis at the centre of the grid and perpendicular to the surface of the grid itself.
● Reference plane on the surface of the grid and perpendicular to the reference axis.
● Horizontal / vertical plane. Passing through the reference axis perpendicular to the reference plane.

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  • Address:Jianggao Town, Baiyun District, Guangzhou, China