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

DSP5311EN 6.5 Inch EN54 Fireproof Surface Mount Ceiling Speaker


● EN54 certified ceiling speaker.
● With a 6.5” unit driver and a 100V transformer.
● With several terminals for different powers of 12W/6W/3W.
● The mesh is made of aluminium mesh and the speaker dome is made of ABS material.
● With ceramic connector and thermal fuse for overheat protection.

  • Introduction
  • Specification

This product is an EN54 certified surface mount ceiling speaker with a 100V transformer. The built-in 6.5” speaker driver is designed with a wide frequency range of 200-16,000Hz, and several terminals can be selected for different powers of 12W/6W/3W. Besides, it has ceramic connector and thermal fuse for overheat protection.





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

Environmental Class EN54-24

Type A, indoor applications

IP Rate Protection (EN60529)


Number ofWays/SpeakerType

1-way dual cone, full range Ø165mm


100V (12W-6W-3W)

In-axis Freq.Response (-10dB)

200-16000 Hz

Sensitivity (@1m, 1W)

91.2 dB SPL

SPLMax. (@1m, Pmax)


CoverageAngle (-6dB)

180° (500 Hz), 95.6° (1 kHz), 116° (2 kHz), 48° (4 kHz) 35° (8 kHz)

Directivity Index DI (dB)

-3.8 (500 Hz), 3.4 (1 kHz), 5.1 (2 kHz), 9.1 (4 kHz) 10.8 (8 kHz)

Directivity Factor Q

0.4 (500 Hz), 2.2 (1 kHz), 3.2 (2 kHz), 8.2 (4 kHz) 12 (8 kHz)

Nominal Power


Nominal Impedance @ 1KHz


Dimensions Ø - P

203 mm-95 mm




ABS V0 type




Ceramic connectors and thermal fuse

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  • Tel:+86 020 37166520
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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