This high-performance speaker is designed for long-distance transmission and emergency warning applications, with a 500-meter voice transmission range and a 1000-meter warning sound range. It features a maximum sound pressure level of 144dB and uses durable fiberglass composite material, meeting IP66 standards for waterproof and dustproof protection. The speaker supports both fixed and mobile tripod installations and is ideal for use in environments like ports, airports, and public safety applications.