Explosion-proof loudspeaker | acoustic siren–speaker | with integrated amplifier | 20W | ATEX type | PoE | remote configuration and control
Code: MAG204HDA loudspeaker designed for use in high-risk, industrial, and outdoor environments where reliable audio notification, alarm signaling, or public address (PA) solutions are essential.
The device features a high flame-resistance rating, a robust mechanical construction, an integrated 20 W digital amplifier, and Power over Ethernet (PoE) supply, which helps reduce installation costs and simplify deployment. Thanks to IP network support, the loudspeaker is easily integrated into modern safety, evacuation, and public address systems.
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Technical Specifications
Acoustic System
Speaker type: 2.5” × 1
Sensitivity (1 m / 1 W): 92 ±2 dB
Max. sound pressure level (1 m): 108 ±2 dB
Frequency response: 450 Hz – 5 kHz
Rated power (RMS): 20 W
Amplifier System
Integrated IP network amplifier
Frequency response: 100 Hz – 19.5 kHz
Distortion: ≤1 %
SNR (A-weighted): ≤5 mV
Power supply: 48 V PoE, IEEE 802.3at / af standard
Dimensions and Weight
Product dimensions: 250 × 250 × 355 mm
Net weight: 7.2 kg
Gross weight: 8.4 kg
Functions
Emergency and information audio over IP network
Alarm signal broadcasting in critical situations
Playback of background music and scheduled announcements
Centralized control via system server
Remote network configuration via WEB interface
Stable operation even in demanding environmental conditions
Applications
Residential users: Underground parking areas, technical zones of residential complexes, outdoor warning systems
Electricians: Single cable for data + power (PoE), fast installation without additional amplifiers, reduced installation and maintenance costs
Engineers and designers: Integration into IP PA / EVAC systems, industrial and infrastructure projects, centralized network control
Advantages
Explosion- and flame-resistant construction
PoE power supply – simpler and more cost-effective installation
Integrated 20 W amplifier
High acoustic efficiency
Environmentally friendly, non-flammable materials
Remote configuration and control
Limitations
Intended mainly for professional systems
Limited low-frequency response (optimized for voice and alarm signals)
Requires PoE network infrastructure
Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.The IP protection class indicates the device's resistance to environmental factors.

The first digit indicates protection against dust and solid objects.
The second digit indicates protection against moisture.First digit values:
X — Untested;
0 — No protection;
1 — Protected against solid objects larger than 50 mm;
2 — Protected against solid objects larger than 12.5 mm;
3 — Protected against solid objects larger than 1 mm;
4 — Protected against solid objects larger than 1 mm;
5 — Dust protected;
6 — Totally dustproof.
Second digit values:X — Untested;
0 — No protection;
1 — Protected against vertically falling water drops;
2 — Protected against water drops falling at a 15º angle;
3 — Protected against rain falling at a 60º angle;
4 — Protected against water splashes;
5 — Protected against water jets;
6 — Protected against large amounts of water;
7 — Protected against short-term immersion in water up to 1 meter deep;
8 — Protected against long-term immersion in water up to 3 meters deep.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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