25W Aluminium Horn Speaker 100V, IP66 - 

The HM25 is a very powerful full metal horn speaker with a compression driver. Even the inner horn part is made in aluminum, which makes the HM25 unique. It is equipped with a high quality 100V transformer with three power taps, including a thermal overload protection. This prevents any overload of your amplifier by controlling the impedance with the unique IMC protection device inside it. The double lead glands allow easy wiring and connection of the HM25. The housing is totally weatherproof and its supplied aluminum bracket is also protected against corrosion. This speaker is ideal for long distance speech and alarm sounds in evacuation systems indoor or outdoor in the toughest circumstances including high speed railway tunnels and stations, a warehouse full of loud machinery, or a crowded school. The HM25 is so powerful that you can be sure everyone hears your message loud and clear.