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ATEX Explosion proof speaker 30Y We are an industrial communication solution provider and communication equipment manufacturer. Our paga system and pa system atex use explosion-proof speakers developed and produced by ourselves, which are safe and reliable. If you have a need, we can customize atex explosion-proof speakers of different powers for you. The horn feature 1. Explosion proof Speaker design and certified by TUV ATEX standard. 2. Material/Colour: Anti-static Polyamide/Black 3. Waterproof rating IP66 dust proof IP66. 4. Service temperature range from -40 ?? to +55??. 5. For 360?? lossless broadcast 6. fixed resistance KNLB-EX30Y with transformer. 7. For use public address and paging application 8. Application: Products are widely used in petroleum, metallurgy, chemical industry, sea oil, nuclear power, shipbuilding, tunnels and other projects requiring explosion-proof grade Speaker.