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

MAG204HD POE Anti Explosion Horn Speaker


● The product has excellent flameproof performance and sufficient mechanical strength.
● Supports 16-bit digital audio stream decoding with a maximum sampling rate of 48kHz.
● Can execute background music, scheduled tasks, emergency paging and alarm signals from the system host.
● Supports remote modification of local network parameters through web pages.
● Built-in 20W digital amplifier with low power consumption settings.
● Provides a complete interface that complies with the IEEE 802.3af/at standard for Power over Ethernet (PoE) systems.
● High sensitivity and electroacoustic conversion efficiency.
● Non-combustible, high fire resistance, no harmful gas, no pollution of the environment.
● Easy to use and maintain.

  • Introduction
  • Specification

MAG204HD is an intrinsically safe, explosion-proof, waterproof and dustproof horn speaker that supports PoE power supply and adopts a corrosion-resistant and vandal-resistant cast aluminum waterproof casing. It is mainly used in chemical plants and gas stations and other places with  methane mixed gas, oil, etc., which are in danger of explosion, such as high-speed railways, subways, tunnels, ports, wharfs, airports, underground pipe gallery systems, dispatching and calling places for large industrial and mining projects, power plants, large chemical plants, cement plants, steel mills, oil drilling platforms, gas stations, refineries, berthing decks, country parks, national nature reserves and so on.

The product can be used for playback, paging and emergency broadcasting, and is suitable for factory Class II, temperature group T6 explosive gas environments.



Acoustic System

Drive Unit


Sensitivity (1m, 1W)


Max. SPL (1 m)


Frequency Response


Rated Power (RMS)


Amplifier System

NET Playback

Built-in Amplifier

Frequency Response




SNR (A-weighted)


Power Supply

48V PoE power supply IEEE802.3at standard

Package Size


Product Size


Gross Weight


Net Weight


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  • Tel:+86 020 37166520
  • Address:Jianggao Town, Baiyun District, Guangzhou, China